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The human body produces and destroys 15 million blood cells every second.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.