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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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Thyroid conditions may make getting pregnant impossible.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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