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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public 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.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.