In case of methadone withdrawal symptoms are generally slightly less severe than those of morphine or heroin at equivalent doses but are significantly more prolonged. Methadone withdrawal symptoms can last for several weeks or more. At high maintenance doses, sudden cessation of therapy can result in withdrawal symptoms described as “the worst withdrawal imaginable,” lasting [...]

There are a lot of forms in which the alcohol detox syndrome can manifest, from sleep disturbances and mild anxiety to very severe delirium, visual hallucinations and convulsions (which may result in death). There are various factors that influence the severity of alcohol withdrawal, factors including age, genetics and, most importantly, the degree of alcohol [...]

 
The use of magic mushrooms produces a trip that is different from user to user, even two times at the same user, depending on the mood and the circumstances under which they are used. Some users confess that they have pleasant experiences, while others feel paranoid or frightened. The use of magic mushrooms induce hallucinations, [...]

One certain thing is that LSD produces hallucinations, some pleasant, some not, and you cannot anticipate the effect before using the drug. A “high” can last up to few  hours and the drug also makes the pupils dilate, increases blood pressure and heart rate and causes dryness in the mouth. Other common effects of LSD [...]

LSD was synthesized for the first time in Switzerland, at the Sandoz Corporation pharmaceutical laboratory, by the chemist Albert Hofmann. He was conducting research on possible medical applications of various lysergic acid compounds derived from ergot, a fungus that develops on rye grass. Searching for compounds with therapeutic value, Hofmann created more than two dozen [...]