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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Evolutionary adaptation to a new environment via natural selection. Evolutionary adaptation to a new environment via natural selection.
Body fluid compartments of an adult. Body fluid compartments of an adult.
When teenagers live in single-parent homes, a good relationship with grandparents is related to ... When teenagers live in single-parent homes, a good relationship with grandparents is related to ...
When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ... When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ...
Viral single-strand DNA (circular) Viral single-strand DNA (circular)
Typical Night’s Sleep for a Young Adult Typical Night’s Sleep for a Young Adult
Video: Net filtration pressure and lymph formation, edema & blood velocity

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