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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.