The average adult has about 21 square feet of skin.
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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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Your heart beats over 36 million times a year.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
A comparison of monophyletic, paraphyletic, and polyphyletic taxonomic groups.
These top and side views reveal the R groups extending out from the β sheet and emphasize
Clinical decision making for groups
Gorillas live in one-male or multimale groups, from which females emigrate at sexual materity.