Abstract: An electronic device and method of controlling the electronic device are provided. The electronic device includes a sensor module, a display, a processor operatively connected to the sensor module and the display, and a memory storing instructions which, when executed, configure the processor to obtain first data related to a first position of a user measuring blood pressure (BP) through the electronic device, identify a second position of the user measuring the BP, based on second data acquired through the sensor module, identify whether a difference between the first data and the second data, including at least one of a height of the electronic device or a distance between the electronic device and the user, is included in a preset range, and when the difference is not included in the range, display a user interface, including guide information for adjusting the second position to become equal to the first position, through the display.

Abstract: A method for calibrating a blood pressure measurement device includes obtaining first blood pressure measurement information and a current confidence coefficient corresponding to the first blood pressure measurement information, determining the first blood pressure measurement information as blood pressure calibration information in response to the blood pressure measurement device comprising the historical calibration parameter list, and the current confidence coefficient being greater than or equal to a preset confidence coefficient or the historical confidence coefficient, and updating the historical calibration parameter list based on the first blood pressure measurement information and the current confidence coefficient.

Abstract: An arterial pulse signal measurement device includes a pressure sensor and a measuring apparatus. When the pressure sensor is attached to the skin, stratum corneum or other superficial organs of a human body or animal body, and a constant voltage is applied to first voltage input terminal (V+) and a second voltage input terminal (V?) of the pressure sensor, the pressure sensor will output a corresponding voltage signal to the measuring apparatus according to the arterial pulse of the human body or animal body. The measuring apparatus will acquire the arterial pulse signal of the human body or animal body according to the voltage signal.

Abstract: The present invention relates to a system for monitoring asthma symptoms of a subject (12), comprising a monitoring unit (14) configured to monitor at least one objective asthma symptom of the subject, an analysis unit (16) configured to determine an asthma status of the subject based on the at least one objective asthma symptom monitored by the monitoring unit, a test unit (18) configured to provide a test for collecting subjective asthma symptoms from the subject, if the at least one objective asthma symptom monitored by the monitoring unit (14) has changed in a manner that the change reveals a deterioration of the asthma status of the subject. Further the system comprises a calibration unit (24) configured to calibrate the at least one objective asthma symptom gathered from the subject with respect to a calibration test, wherein the calibration unit (24) is arranged to perform calibration at least once during an initial phase of use of the system (10).

Abstract: Non-invasive methods for accurately classifying Coronary Artery Disease (CAD) is a challenging task. In the present disclosure, a two stage classification is performed. In the first stage of classification, a metadata based rule engine is utilized to classify a subject into one of a confirmed CAD subject, a CAD subject and a non-CAD subject. Here, a set of optimal parameters are selected from a set of metadata associated with the subject based on a difference in frequency of occurrence of the CAD among a disease population and a non-disease population. Further, an optimal threshold associated with each optimal parameter is calculated based on an inflexion based correlation analysis. Further, the CAD subject, classified by the metadata based rule engine is further reclassified in a second stage by utilizing a set of cardiovascular signal into one of the CAD subject and the non-CAD subject.

Abstract: A measurement device includes a pulse wave signal acquisition unit, a pulse wave velocity calculator, a transfer function calculator, a phase diagram classifier, and an aneurysm determinator. The pulse wave signal acquisition unit acquires time-series pulse wave signals of each of an upper arm and an ankle of the subject. The pulse wave velocity calculator obtains a brachial-ankle pulse wave velocity based on the pulse wave signal of the upper arm and the pulse wave signal of the ankle. The transfer function calculator calculates a transfer function from the pulse wave signal of the upper arm and the pulse wave signal of the ankle. The phase diagram classifier classifies the phase diagram of each subject into any one of four groups. The aneurysm determinator determines presence or absence of the abdominal aortic aneurysm by a criterion set according to each group.

Abstract: A guide wire for biological pressure measurement includes: a tube extending along an axial direction of the guide wire, wherein the tube includes a circumferential wall and defines a proximal-end opening and a distal-end opening; and a pressure sensor configured for biological pressure measurement, wherein at least a portion of the pressure sensor is mounted within the tube, and wherein the pressure sensor comprises a pressure sensor transducer. The circumferential wall of the tube includes exactly three openings configured for fluid and gas ingress and egress extending radially therethrough.

Abstract: An implantable vital sign sensor including a housing including a first portion, the first portion defining a first open end, a second open end opposite the first end, and a lumen there through, the first portion being sized to be implanted substantially entirely within the blood vessel wall of the patient. A sensor module configured to measure a blood vessel blood pressure waveform is included, the sensor module having a proximal portion and a distal portion, the distal portion being insertable within the lumen and the proximal portion extending outward from the first open end.

Abstract: A pulse wave measurement device including: a belt to be worn around a measurement target site; first and second pulse wave sensors that are mounted on the belt spaced from each other with respect to a width direction of the belt, and that detect pulse waves of opposing portions of an artery passing through the measurement target site; a pressing unit that is mounted on the belt is capable of changing pressing forces of the pulse wave sensors against the measurement target site; a waveform comparing unit that acquires pulse wave signals which are time-sequentially output by the pulse wave sensors respectively, and compares waveforms of the pulse wave signals; and a pulse wave sensor pressing force setting unit that variably sets the pressing forces by the pressing unit such that the waveforms of the pulse wave signals compared by the waveform comparing unit become identical to each other.

Abstract: A blood pressure monitor cuff based on dial lacing system. Blood pressure monitor cuff on the market comprises rectangular or rectangular-like fabric that can secure blood pressure monitor at a certain position, in which fixing mechanism like Velcro tape is set on the fabric. Inconvenience due to limitations of the fixing mechanism, requires assistance of others such as a nurse. The present utility model could solve the above technical problems.

Abstract: The present disclosure uses physiological data, ECG signals as an example, to evaluate cardiac structure and function in mammals. Two approaches are presented, e.g., a model-based analysis and a space-time analysis. The first method uses a modified Matching Pursuit (MMP) algorithm to find a noiseless model of the ECG data that is sparse and does not assume periodicity of the signal. After the model is derived, various metrics and subspaces are extracted to image and characterize cardiovascular tissues using complex-sub-harmonic-frequencies (CSF) quasi-periodic and other mathematical methods. In the second method, space-time domain is divided into a number of regions, the density of the ECG signal is computed in each region and inputted into a learning algorithm to image and characterize the tissues.

Abstract: A thermal powered medical device generates power from a temperature differential between a living body and a differential temperature source. The power is supplied to power one or more electrical components of the medical device.

Abstract: A medical device includes a sensor interface for measuring one or more physiological signals of the patient; at least one motion detector for detecting movement of the device; a processor coupled to the sensor interface and the at least one motion detector; and a memory communicatively coupled to the processor and comprising instructions that cause the processor to receive movement information comprising at least acceleration information and heading information from the at least one motion detector; detect movement of the medical device from the movement information, wherein the movement of the medical device comprises a distance traveled by the medical device and a direction traveled by the medical device; and estimate a current location of the medical device relative to a previous location of the medical device using dead reckoning based at least in part on the distance and direction traveled by the medical device.

Abstract: A method of estimating fetal electrocardiogram (FECG) signals utilizes a plurality of ECG signals measured along the mother's abdomen. The method includes defining an MECG (ECG) dictionary of symbols and projecting the plurality of abdominal ECG signals onto the MECG dictionary to estimate MECG signals within each of the plurality of abdominal ECG signals. The estimated MECG signals are subtracted from the plurality of measured abdominal ECG signals to estimate FECG signals and the plurality of estimated FECG signals are combined to generate a representation of the FECG source signal.

Abstract: The invention concerns a multi-electrode patch for abdominal electrophysiological detection. The patch has a flexible substrate interconnecting multiple electrodes and a module unit for removably engaging with an electronic readout device for detecting a maternal and/or fetal electrophysiological signal from the electrodes. The module has a mechanical module unit for removable mechanical engagement with a housing of the readout device, and an electrical module unit for making an electrical connection from the electrodes to the readout device. Engaging the patch with the readout device comprises engaging both the mechanical module unit and the electrical module unit. The patch may be flexible in a manner that allows variation in the relative positioning between the electrodes. The patch and/or electronic readout device may comprise a security device for communication of an authentication code.

Abstract: The present invention is intended to provide a gel sheet having a formulation providing an adhesive force on the skin side suitable for the skin (i.e., a gel having a low adhesive force and being able to withstand a tip pressure of a terminal and the like), and concurrently having a sufficient adhesive force against an electrode element on the side opposite to the skin side. The present invention is a gel sheet having a laminated structure of a layer A and a layer B, characterized in that the storage elastic modulus of the layer A at 23° C. and 10 Hz is 12,000 to 40,000 Pa, and the storage elastic modulus of the layer B at 23° C. and 10 Hz is 2,000 to 10,000 Pa.

Abstract: A system for detecting electroencephalographic signals includes at least one electrode for the transmission of the detected signal, a conduction system of the signal, which is interposed between the electrode and the scalp of a patient, and a fixation system of the electrode to the scalp. Moreover, said conduction means and said fixation means are constituted by a single layer of hydrogel.

Abstract: Disclosed are an implantable flexible neural microelectrode comb, and a preparation method and implantation method therefor. The flexible neural microelectrode comb is mainly composed of a flexible substrate layer (1), a flexible insulation layer (2), and a metal connection wire layer (3) arranged between the flexible substrate layer (1) and the flexible insulation layer (2); the flexible neural microelectrode comb comprises a filament structure (4), a mesh structure (5), a plane structure (6) and a bonding pad area (7) connected in sequence; electrode sites (8) are arranged on the filament structure (4); bonding pads are arranged on the bonding pad area (7); the metal connection wire layer (3) is composed of metal connection wires connecting the electrode sites (8) and the bonding pads; and the flexible insulation layer (2) is not arranged on the surfaces of the electrode sites (8) and the bonding pads.

Abstract: Mobile systems and devices can employ surface electromyography (sEMG) technology and other sensing technologies for measuring muscle tension and managing chronic pain conditions. These systems and devices can sense and quantify excessive muscle tension and can facilitate management of excessive muscle tension and chronic pain through cognitive behavioral therapy, pharmacologic intervention, or a combination of both.

Abstract: Systems and methods relating to bio-impedance analysis. The system eliminates the need for hardware phase measurements by using the K-K transform to extract the phase from the magnitude detected. The system has a magnitude detection sub-system that includes a signal generation block, a DC cancellation block, and an amplitude control block. An A/D converter converts the detected magnitude into a digital signal and signal processing is performed to extract the phase of the signal from the magnitude detected.

Abstract: Technology for measuring clinically relevant Magnetic Resonance (MR) anisotropic water proton transverse relaxation rates of cartilage in human knees and other joints is provided. A single sagittal T2-weighted magnetic resonance image of a cartilage associated with a human knee or other joint may be acquired, and an internal reference signal may be measured from this acquired sagittal image. The internal reference signal is a signal intensity (S(?))from the cartilage with its collagen fiber orientated approximately 54.7° to the main magnetic field. An anisotropic R2 relaxation rate (R(?)2a) may be calculated for the cartilage using the following equation: R(?)2a={log(S(?=±54.7°))?log(S(?))}/TE. Accordingly, an indication of a degeneration of the cartilage may be determined using the calculated anisotropic R2 relaxation rate.

Abstract: Disclosed is a system for detecting an internal object in a body. The system includes at least one antenna pair including two antennas which are adapted to be symmetrically positioned around the body in relation to a line of symmetry. The system is adapted to transmit microwave signal into the body which are reflected and/or scattered from the internal object. The system is adapted to receive the reflected and/or scattered microwave signals, and to compare the received microwave signals at the symmetrically positioned antennas. The system is adapted to detect the internal object or a change in an already detected internal object when there is a difference between the received microwave signals at symmetric antenna pairs. The difference is related to the different dielectric properties between the internal object and the body.

Abstract: A circuit includes a plurality of series-coupled delay buffers and a plurality of logic gates. Each logic gate includes first and second inputs. The first input of each logic gate is coupled to a corresponding one of the delay buffers. The circuit also includes a plurality of flip-flops. Each flip-flop includes a data input and a data output. The data input is coupled to an output of a corresponding one of the logic gates and the data output is coupled to the second input of one of the corresponding logic gates.

Abstract: A magnetic field generator assembly is configured to be associated with a table supporting a body. The magnetic field generator comprises magnetic field transmitters that are thin (of minimal height) and transparent, or substantially transparent, to x-ray radiation. The magnetic field transmitters are configured to minimally obstruct components of an imaging system and to minimally interfere with image quality.

Abstract: A system and method for determining the position of a non-shape-sensed guidewire (102) and for visualizing the guidewire. The system includes a shape-sensed catheter (104) having a lumen (103) that is configured to receive the non-shape-sensed guidewire. A measurement module (122) is configured to measure a distance that the non-shape-sensed guidewire moves. The measurement module may receive signals from a sensor (124) associated with a measurement assembly that is configured to receive at least a portion of the non-shape-sensed guidewire and/or the shape-sensed catheter. A location module (126) is configured to determine a position of the non-shape-sensed guidewire. The system is configured to generate a virtual image(101) of the guidewire. The system is configured to generate a virtual image (101) of the guidewire, including a portion of the non-shape-sensed guidewire that does not extend along a shape-sensing optical fiber.

Abstract: A system for tracking and displaying a real-time catheter position overlaying a fluoroscopic image includes a catheter having an optical coherence tomography (OCT) sensor thereon, a displacement sensor configured to identify displacement of the catheter, a controller, and a display. The controller is configured to receive a fluoroscopic image of the distal end of the catheter at a first position and determine a displacement of the catheter from the first position to a second position using the displacement sensor. The display is configured to display the distal end of catheter at the second position as an overlay on the fluoroscopic image.

Abstract: Disclosed herein are novel devices comprising small, ultra-low power microelectronic components. In some instances, the microelectronic components is combined with a biosensor component that enables in situ detection of biomolecules. Also disclosed herein are methods of detecting signal analytes and methods of monitoring the health of a patient using these novel devices.

Abstract: To identify exhalation and inhalation of a subject more accurately. A biological monitoring device (1) comprises: a monitoring unit (12) which monitors changes over time in the depth of feature points at one or a plurality of locations within a living body, on the basis of a received signal received from an ultrasonic sensor (2); and an exhalation/inhalation identifying unit (13) which identifies exhalation or inhalation on the basis of information relating to the depth of the feature points. Contraction and expansion of the lungs, in other words exhalation and inhalation, can be identified by applying ultrasound waves from between the ribs of a subject to monitor movements of biological tissue which moves together with the lungs.

Abstract: Provided herein are devices (e.g., electrochemical sensors useful for detecting volatile organic compounds associated with certain diseases or conditions and/or diagnosing certain diseases or conditions). The devices comprise one or more layers of metal on a layer of silicon, and a layer of molecularly imprinted polymer in electrical communication with the one or more layers of metal, wherein the one or more layers of metal are each independently selected from a layer of chromium, platinum, gold, nickel, cobalt, tungsten, rhodium, iridium, silver, tin, titanium or tantalum, or an alloy thereof. Methods of using the devices (e.g., to detect one or more analytes in a sample, to detect and/or diagnose a disease or condition in a subject), and methods of making the devices are also provided.

Abstract: The present invention relates generally to the field of orthopedics, and more particularly to a pelvic referencing guide and methods of using the guide in orthopaedic surgery, specifically total hip arthroplasty.

Abstract: Systems for detecting, locating and mitigating impact forces directed towards a person's head are described herein. The systems include devices for wearing on a wearer's head. The devices include a base configured to conform to the wearer's head and retain a plurality of pouches on an outer surface of the base. The plurality of pouches are configured to absorb at least a portion of the impact force directed towards the outer surface of the base, provide an indication when the impact force directed towards the outer surface of the base has a magnitude exceeding a concussion-indicating level of force, and provide a location of impact when the impact force directed towards the outer surface of the base has a magnitude exceeding the concussion-indicating level of force.

Abstract: A method for detecting arrhythmia, including receiving, via at least one motion sensor, channels of raw motion signals for a user; monitoring the channels for motion activity; generating segments from the raw motion signals; determining heartbeat event locations from the generated segments; performing false alarm detection on the raw motion signals and heartbeat event locations to generated refined abnormal candidates.

Abstract: A watching assistance system that assists watching over a subject on a bed includes an image acquisition unit configured to acquire an image captured by an imaging device, a criterion storage in which a criterion for determining a dangerous state are previously set for each of a plurality of determination regions set based on a region of the bed in the image, a detector configured to detect the subject from the image acquired by the image acquisition unit, a state recognition unit configured to recognize a state of the subject detected by the detector, a determination unit configured to determine a danger degree of the state of the subject recognized by the state recognition unit using the criterion for the determination region corresponding to a position at which the subject is detected by the detector, and an output unit configured to provide notification according to the danger degree determined by the determination unit.

Abstract: A system and a method for detection of a respiratory status, wherein the system comprises a flexible patch being configured to be affixed to the skin of a patient's body, wherein the patch has at least one sensor arrangement for sensing a body activity of the patient's body when the patch is affixed to the skin, and wherein the sensor arrangement is configured to determine and/or output a sensor signal corresponding to said body activity. The system is configured to determine a respiratory airflow indicator based on the sensor signal. Alternatively, or additionally, the system has a re-usable add-on device that is attachable to and detachable from the patch and is adapted to provide energy to and/or receive the sensor signal from the patch.

Abstract: A sensor apparatus for a continuous glucose monitoring system has a sensor housing that includes a first end having a sealing surface configured to seal against an introducer having an insertion shaft, a second end having a sealing surface configured to seal against an insertion shaft cover, and an insertion shaft opening having a width that allows the insertion shaft to travel there through and that extends between the first and second ends. The sensor housing may further include a sensor wire channel that extends between the insertion shaft opening and a sensor wire contact location in an outer surface of the sensor housing. The sensor wire channel and sensor wire contact location may be configured to receive a sensor that extends between the insertion shaft opening and the sensor wire contact location to allow the sensor to make electrical contact to system circuitry. Numerous other aspects are provided.

Abstract: An organism analyzing apparatus includes an information acquiring section configured to acquire an amount of change in a blood glucose level due to ingestion of an organism and a sugar-content estimating section configured to estimate, according to the amount of change in the blood glucose level, sugar content ingested by the organism through the ingestion.

Abstract: Disclosed herein is an analyte sensing biointerface that comprises a sensing electrode incorporated within a non-conductive matrix comprising a plurality of passageways extending through the matrix to the sensing electrode. Also disclosed herein are methods of manufacturing a sensing biointerface and methods of detecting an analyte within tissue of a host using an analyte sensing biointerface.

Abstract: A colorimetric optical sensor device includes a broadband light source configured to emit a light that is exposed to a fluid in a vessel. At least a portion of the light is reflected off of the fluid and received by an optical spectrometer. The optical spectrometer analyzes at least a portion of the received light to determine a main wavelength of the light. A controller correlates the main wavelength to a corresponding hematocrit or free hemoglobin concentration and generates an output indicative of the hematocrit or the free hemoglobin concentration of the fluid. The hematocrit or free hemoglobin concentration information may be used by a separation assembly in which the colorimetric optical sensor device may be incorporated to modify a separation procedure in which the monitored fluid is to be separated or is a component or constituent of a previously separated biological fluid.

Abstract: A bio-information detecting sensor according to an embodiment of the present invention includes a flexible substrate, light emitting parts disposed on the flexible substrate, and a light receiving part disposed on the flexible substrate and having a donut shape surrounding the light emitting parts.

Abstract: Disclosed herein is an antifouling device for large, nonplanar optical surfaces. The device can be used as marine or implantable applications that has nested multiscale features for active and passive anti-biofouling. By combining active and passive anti-biofouling mechanisms, this device will provide long-term protection against biofouling for over 10 years, extending the lifetime of self-clearing marine or implantable sensors.

Abstract: Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes.

Abstract: The present invention relates to the discovery that the expression levels of some microRNAs (miRNAs) can use a diagnostic signature to predict transplant outcomes in a transplant recipient. Thus, in various embodiments described herein, the methods of the invention relate to methods of diagnosing a transplant subject for acute rejection such as acute cellular rejection (ACR), methods of predicting a subject's risk of having or developing ACR and methods of assessing in a subject the likelihood of a successful or failure minimization of immunosuppression therapy (IST) dosage from standard ranges.

Abstract: An object of the present invention is to provide a blood test kit and a blood analysis method, which are for performing quantitative analysis of components by precisely obtaining a dilution factor. According to the present invention, provided is a blood test kit for analyzing a concentration of a target component in a blood sample using a normal component which is homeostatically present in blood, the kit including a diluent solution for diluting the blood sample, a first storing instrument for storing the diluent solution, a separation instrument for separating and recovering blood plasma from the blood sample diluted with the diluent solution, a holding instrument for holding the separation instrument, a second storing instrument for storing the recovered blood plasma, and a sealing instrument for keeping the stored blood plasma within the second storing instrument, in which the separation instrument is composed of glass fiber coated with a resin.

Abstract: Computer based systems and methods for estimating a user state are disclosed. In some embodiments, the methods comprise inputting a first input at an intermittent interval and a second input at a frequent interval into a user state estimation model to estimate the user state. In some embodiments, the first inputs are enhanced by injecting a noise input to create a plurality of enhanced first inputs whereby the plurality of enhance first inputs correspond to the plurality of second inputs at the frequent interval. In some embodiments, the first input comprises a self-reported input and the second inputs comprise a physiological input, a performance input or a situational input. In some embodiments, a machine learning algorithm creates the state estimation model. In some embodiments, the state estimation model estimates a future user state. In some embodiments, a computer based system for estimating a user state is provided.

Abstract: Systems, methods, and computer-readable media for classifying a PTSD status. In an embodiment, an example method for using a classifier can comprise receiving information from electrocardiography performed on an individual; determining features from the information; comparing the features to the a logistic regression classifier trained using features determined from median quiescent segments of RR interval information from individuals with and without PTSD, wherein the median quiescent segments are non-overlapping time periods of lowest median HR for each individual, and the features include one or more of the following: deceleration capacity (DC), low frequency (LF) power, very low frequency (VLF) power, and standard deviation of all normal RR intervals (SDNN); and determining a posttraumatic stress disorder (PTSD) status of the individual based on the comparison of the features to the classifier, wherein the PTSD status is a severity of PTSD based on a probability of PTSD.

Abstract: An image processing system, comprising an input interface (IN) for receiving a plurality of input images acquired of test objects. The system further comprises a material type analyzer (MTA) configured to produce material type readings at corresponding locations across said input images (IM(CH)). A statistical module (SM) of the system is configured to determine based on said readings an estimate for a probability distribution of material type for said corresponding locations.

Abstract: The objective of the present invention is to provide a hardness meter which estimates hardness in a stable manner regardless of a compression strength. Disclosed is a hardness meter characterized in being provided with: a movable portion which is continuously pressed against an object to be measured; a sensor which outputs an output signal reflecting a reaction force at a part of the object to be measured that is in contact with the movable portion; a motive force mechanism that causes the movable portion to perform a piston motion; and a hardness estimating portion which estimates the hardness of the object to be measured on the basis of an alternating current component of the output signal, generated by the piston motion of the movable portion.

Abstract: A system includes a computing device that includes a memory configured to store instructions. The system also includes a processor to execute the instructions to perform operations that include receiving data representing one or more images of dental information associated with a patient. Operations include adjusting the data representing the one or more images of dental information into a predefined format, wherein adjusting the data includes adjusting one or more visual parameters associated with the one or more images of dental information. Operations include using a machine learning system to determine a confidence score for one or more portions of the one or more images of dental information, and producing a representation of the determined confidence scores to identify one or more detected features present in the one or more images of dental information.

Abstract: Provided is an insomnia treatment assistance device including: a bedtime setting unit (14) that sets a bedtime of a user on the basis of sleep efficiency of the user and notifies it to the user; an execution time setting unit (15) that sets a time earlier than the bedtime by a first predetermined time as a sleepiness test execution time; and a reminder message presentation unit (16) that presents a reminder message for prompting execution of a sleepiness test to the user at the sleepiness test execution time. The sleepiness test can be performed at an appropriate time depending on the sleep efficiency that suggests a degree of amelioration of insomnia even in a case where the sleepiness test is performed once a day. It is possible to appropriately measure user's sleepiness depending on the degree of amelioration of insomnia while minimizing a user's burden for the sleepiness test.

Abstract: Methods and apparatus are provided for monitoring and encouraging health and fitness. In accordance with a first aspect, an apparatus is provided that is adapted to assist in weight loss and exercise. The apparatus comprises a personal digital assistant (PDA) having computer program code adapted to assist in at least one of calorie counting, meal selection, meal suggestion, weight monitoring, weight loss or gain monitoring, fat consumption monitoring, sugar consumption monitoring and salt consumption monitoring. The PDA also includes computer program code adapted to display historical data regarding at least one of calorie counting, meal selection, meal suggestion, weight monitoring, weight loss or gain monitoring, fat consumption monitoring, sugar consumption monitoring and salt consumption monitoring. Numerous other embodiments are provided, as are methods, systems and computer program products.