|
|
Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.
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).
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
![In most ecosystems, sunlight provides the ultimate source of energy to power all biological activity](https://biology-forums.com/gallery/47/medium_33_17_02_12_6_59_59_20232401.jpeg)
![Romanian Adoptees’ Cognitive Abilities, by Age of Adoption The later the age of adoption, the lower](https://biology-forums.com/gallery/47/medium_102911_18_06_15_2_41_15_22046664.jpeg)
![Apply the heat source, and ask for immediate feedback on the heat intensity felt by the recipient. ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_6_33_35_332771954.jpeg)