|
|
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.
The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
The longest a person has survived after a heart transplant is 24 years.
To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
![Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_37_17_22182952.png)
![This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_06_222501221.jpeg)
![Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_26_03_223392320.jpeg)
![Maxine Williams was the founder and first president of the AAMA. Printed with permission of American](https://biology-forums.com/gallery/47/medium_27_19_05_16_12_15_22_235081321.jpeg)