|
|
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Everyone has one nostril that is larger than the other.
![Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia](https://biology-forums.com/gallery/47/medium_14755_24_09_12_7_46_03_89701453.jpeg)
![Men and women work the same number of hours a week, but men spend more time on paid work, and women ...](https://biology-forums.com/gallery/27/medium_660366_07_04_17_11_20_46_275031310.jpeg)