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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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People about to have surgery must tell their health care providers about all supplements they take.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Stratigraphic section of the Fayum shows the relative age of early anthropoid fossils. Stratigraphic section of the Fayum shows the relative age of early anthropoid fossils.
The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ... The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ...
The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ... The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ...
Early Pottery From The Franchthi Cave, Greece Early Pottery From The Franchthi Cave, Greece
Projections of global temperature depend heavily on the level of future greenhouse gas emissions Projections of global temperature depend heavily on the level of future greenhouse gas emissions
Video: Stretch reflex & Tendon reflex

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