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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 heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
The human body produces and destroys 15 million blood cells every second.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.