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Medication errors are more common among seriously ill patients than with those with minor conditions.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
There are 20 feet of blood vessels in each square inch of human skin.
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.