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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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.
Thyroid conditions may make getting pregnant impossible.

