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Author Question: American Government and the Preamble to the Constitution? (Read 2251 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.