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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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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 people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.