|
|
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.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Cyanide works by making the human body unable to use oxygen.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.