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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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 average adult has about 21 square feet of skin.
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
![Creede, Colorado, circa 1890, a rough silver mining town that grew from 660 people in 1889 to over 1](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_31_04_223802300.jpeg)
![Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...](https://biology-forums.com/gallery/27/medium_660366_07_04_17_11_20_47_275071559.jpeg)