|
|
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.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
The FDA recognizes 118 routes of administration.
![Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and](https://biology-forums.com/gallery/47/medium_33_19_02_12_5_44_56_20731897.jpeg)
![Adults in the middle-aged group (37–42 years) score higher on measures of generativity than either ...](https://biology-forums.com/gallery/27/medium_660366_07_04_17_11_42_07_27525969.jpeg)