Fingernail strength -- like hair thickness, skin tone, and shoe size -- is subject to a lot of normal variation. If you're a healthy person with no obvious nutritional deficiencies, research suggests that vitamins are unlikely to help strengthen your nails.
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Whether you call it a mole or a beauty mark, many people consider a pigmented spot or bump less beautiful when hair seems to be growing out of it. Pigmented spots and bumps are formed by a type of cell found in the skin called a melanocyte.
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Like any other medical symptom, a sudden drop in body temperature can have many causes, some of which are quite normal. For example, people typically experience a rapid drop in body temperature before sleep, and women experience a drop in temperature each month before menstruation begins.
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Your cardiovascular system is made up of the heart, blood vessels and blood. It is a system that never rests. It pumps 5 to 6 liters of blood per minute through your body and can pump as many as 30 liters per minute during times of extreme stress.
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