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Did you know?
The longest a person has survived after a heart transplant is 24 years.
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.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
There are 60,000 miles of blood vessels in every adult human.