|
|
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.
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
![Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_39_57_12782069.jpeg)
![Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind](https://biology-forums.com/gallery/47/medium_12359_13_01_13_5_57_10.jpeg)