|
|
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.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
![Creede, Colorado, circa 1890, a rough silver mining town that grew from 660 people in 1889 to over 1](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_31_04_223802300.jpeg)
![Older people who exercise cognitive skills, like these chess players, retain those skills well into ...](https://biology-forums.com/gallery/27/medium_660366_07_04_17_9_55_39_274891289.jpeg)