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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.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Asthma cases in Americans are about 75% higher today than they were in 1980.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

