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Author Question: Suppose you take the position that divisions of labor based on sex have survived because they are ... (Read 36 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.
Your heart beats over 36 million times a year.
Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
There are 20 feet of blood vessels in each square inch of human skin.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.