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Author Question: Find the volume that remains after a hole of radius 1 is bored through the center of a solid ... (Read 61 times) |
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.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").