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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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Your heart beats over 36 million times a year.
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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Types of skin lesions.
Interrelationships of the integumentary system with other body systems
Basic tissue types and structures of the alimentary canal.
The effects of undernourishment on the body systems.