|
|
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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.
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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.
![Students rated their grandparents on a scale from 1 to 4 based on emotional closeness, time spent ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_06_24360827.jpeg)
![Pulmonary embolism. The purple shaded section shows the area of the lung that is dying from lack of ...](https://biology-forums.com/gallery/47/medium_665046_02_03_17_9_29_20_262641023.jpeg)