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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Thyroid conditions may make getting pregnant impossible.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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