Who were the FIRST athletes to use mouthguards?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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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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People about to have surgery must tell their health care providers about all supplements they take.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho

Female athletes

Athletes sometimes take supplements, such as creatine or caffeine, to enhance their athletic perform

Anabolic steroids are sometimes used by athletes seeking to bulk up

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