|
|
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.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.