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Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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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 T-cell receptor and antigen presentations. The T-cell receptor and antigen presentations.
Range of Motion of the Hip Joint, Position of the Leg for Full External Rotation Range of Motion of the Hip Joint, Position of the Leg for Full External Rotation
cell membrane cell membrane
Nap master (fixed) Nap master (fixed)
Polyamines for cell proliferation because of their roles in stabilizing duplex DNA structure Polyamines for cell proliferation because of their roles in stabilizing duplex DNA structure
Photomicrographs comparing cheek epithelial cell nuclei Photomicrographs comparing cheek epithelial cell nuclei
Video: Inflammatory response Animation

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