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Did you know?

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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There are more nerve cells in one human brain than there are stars in the Milky Way.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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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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Everyone has one nostril that is larger than the other.

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