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Did you know?

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.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest (a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest
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Video: Electrical changes in the heart

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