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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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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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The average adult has about 21 square feet of skin.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.