|
|
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
![Many former slaves understood that illiteracy was an implement of bondage. The Freedmen’s Bureau bui](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_28_17_22367869.jpeg)
![In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ...](https://biology-forums.com/gallery/27/medium_660366_13_04_17_6_20_49_27692552.png)