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Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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.