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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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Burchell's zebra (E. q. burchellii) in Etosha National Park, Namibia
Should we restore YellowstoneNationalPark, as our flagship National Park, to include the natural ...
Withdrawing Medication from Single-Dose or Multiple-Dose Vials
Prevalence of serious mental illness among U.S. adults by sex, age, and race in 2008.