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Author Question: To measure the activity-level of patients confined to wheelchairs, a researcher sticks white tape on ... (Read 135 times) |
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.