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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.