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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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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.