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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
The average office desk has 400 times more bacteria on it than a toilet.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.