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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.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
Vaccines prevent between 2.5 and 4 million deaths every year.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
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