Abstract: A base rating number calculation determines a number rating providing a practical tool for assisting in the selection of foods best suited for healthy weight management. The rating tool is a component of a comprehensive health plan including food quality rating, formulating healthy weight management goals, calculating and reporting on progress in attaining goals and presenting informative and motivational visual displays illustrating the status of goal attainment.

Abstract: An Application implemented on a computing device. Algorithms in the Application convert information about the nutrient concentration in a measure of food into a single quality rating number for the food. Concentration values of specific nutrients in the food are determined using information about the weight of selected nutrients in a measure of the food.

Abstract: Illumination systems for wearable articles which include one or more lights, such as LED lights, connected with a rechargeable battery, such as through copper or aluminum wiring, and a solar panel for recharging a rechargeable battery during sufficiently high-light ambient conditions, thus enabling the rechargeable battery to provide power for the illumination system during low-light ambient conditions.