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Author Question: As the health of a lawn declines, the number and severity of weed and pest problems can be predicted ... (Read 18 times) |
In 1864, the first barbiturate (barbituric acid) was synthesized.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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.
The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.