|
|
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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.
![Photosynthetically active radiation (PAR) diminishes substantially with passage through the canopy o](https://biology-forums.com/gallery/47/medium_33_09_09_11_10_14_55_17071329.jpeg)
![Two general models for the interconversion of inactive and active forms of a protein during cooperat](https://biology-forums.com/gallery/47/medium_9828_12_01_13_10_51_08.jpeg)