|
|
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
In 1864, the first barbiturate (barbituric acid) was synthesized.
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.
![Carnivorous plants, such as this pitcher plant (Sarracenia purpurea) are commonly found in bog habit](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_17_00_16001526.jpeg)
![Comparison of normal-shaped erythro- cytes and the abnormal sickle shape noted in patients with sick](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_17_44_8501503.jpeg)
![If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_21_49_29689762.png)