|
|
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
There are approximately 3 million unintended pregnancies in the United States each year.
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
![Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_35_06_93862089.jpeg)
![A gasoline direct-injection system injects fuel under high pressure directly into the combustion ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_1_51_44_300162056.png)