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Author Question: PET scans cannot detect changes in activity that are briefer than about 30 seconds. Indicate ... (Read 16 times) |
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
Medication errors are three times higher among children and infants than with adults.