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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
![Boreal forests, such as this one in Siberian Russia, are dominated by a few species of conifer trees](https://biology-forums.com/gallery/47/medium_33_27_08_11_11_56_24_1548799.jpeg)
![These species are all at risk of extinction. Species with “slow†life-h](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_27_14_1782478.jpeg)