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Author Question: Suppose you see a grandparent at the toy store buying a set of 5 "stacking" blocks, a box of ... (Read 51 times) |
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The human body produces and destroys 15 million blood cells every second.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.