|
|
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
![The Abecedarian study was designed to help very low-income African American children prepare for ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_6_37_32_256471443.png)
![It is important for new employees to know the location of all fire extinguishers. (B) Aim low toward ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_9_46_55_261151227.jpeg)