Valium withdrawal symptoms can also be extremely uncomfortable and even painful, so it can be hard to stop taking the drug without help.
Warning signs of anabolic steroid include mood swings, restlessness, loss of appetite, insomnia, and reduced sex drive; some of which may contribute to the need for continued use of the drugs.
Some high school and college students in the U.S. misuse prescription stimulants to improve academic performance, a practice commonly known as academic doping.
The THC in hashish interferes with learning and memory processes because of its effects on the hippocampus, a part of the brain which is critical for certain types of learning.