Abstract: Methods and apparatus are provided to prevent, treat, and cure chemotherapy induced nausea in human beings. The inhalation of an effective amount of vaporized essential oil from Mentha piperita (peppermint oil) has been shown in practice to prevent, treat, and cure chemotherapy induced nausea. A simple hand-held apparatus provides the vapors to be inhaled through the nostril to prevent, treat, and cure chemotherapy induced nausea.

Abstract: Methods and apparatus are provided to prevent, treat, and cure chemotherapy induced nausea in human beings. The inhalation of an effective amount of vaporized essential oil from Mentha piperita (peppermint oil) has been shown in practice to prevent, treat, and cure chemotherapy induced nausea. A simple hand-held apparatus provides the vapors to be inhaled through the nostril to prevent, treat, and cure chemotherapy induced nausea.

Abstract: Strong vapors from eucalyptus oil and tea tree oil are inhaled periodically to prevent respiratory system diseases including colds, flus, pneumonia, tuberculosis, and opportunistic infections in individuals having cystic fibrosis. Apparatus for the periodic inhalation of strong vapors from eucalyptus oil and tea tree oil are provided.

Abstract: Concentrated vapors from botanical essential oils are inhaled to prevent, treat and cure infections of the respiratory pathogens causing Severe Acute Respiratory Syndrome (“SARS”). These vapors are inhaled as a practical method to reduce the risks of infection by the pathogens causing SARS in crowded public places. These vapors are also inhaled as a practical method to reduce the risks of infection by unknown, and unpredictable, respiratory pathogens that may be present in public places. The essential oils have antiseptic properties, are safe to inhale, and include, but are not limited to, the essential oils from Eucalyptus globulus, Melaleuca alternifolia, Eucalyptus citriodora, and Eucalyptus radiata. Convenient hand-held inhaler apparatus are provided for the inhalation of concentrated vapors from the antiseptic essential oils and other substances. The antiseptic essential oils have selected antiviral, antibacterial, and antifungal properties.

Abstract: Strong vapors from eucalyptus oil and tea tree oil are inhaled periodically to prevent the infection of the human respiratory system by pathogens that cause colds, influenza, pneumonia, and tuberculosis. Apparatus suitable for the periodic inhalation of strong vapors from eucalyptus oil and tea tree oil are provided.