|
|
There are 20 feet of blood vessels in each square inch of human skin.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
Illicit drug use costs the United States approximately $181 billion every year.
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.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

