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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Blood is approximately twice as thick as water because of the cells and other components found in it.