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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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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
Pierolapithecus catalunicus may be an ancestor of great apes and humans. Its postcranial skeleton sh Pierolapithecus catalunicus may be an ancestor of great apes and humans. Its postcranial skeleton sh
The photo shows an ultrasound image of a fetus of about 20 weeks’ gestational age. The photo shows an ultrasound image of a fetus of about 20 weeks’ gestational age.
The end of a typical line wrench, which shows that it is capable of grasping most of the head of ... The end of a typical line wrench, which shows that it is capable of grasping most of the head of ...
Self-crossing F2 plants to produce an F3 generation shows that there are two different genotypes amo Self-crossing F2 plants to produce an F3 generation shows that there are two different genotypes amo
Video: Hypoglycemia Animation

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