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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.