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Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.