|
|
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.