|
|
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 most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
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.
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
![Lie prone with your head turned to one side. Put your arms out to your sides and bend your elbows at ...](https://biology-forums.com/gallery/27/medium_679044_04_04_17_12_45_52_27435464.jpeg)
![Loosen the scalp by applying circular friction to the sides, back, and top of head (over entire hair ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_47_42_331231851.jpeg)