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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.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.