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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.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.