Pure LSD is a white powder which is water soluble.
The effects of the extended-release version of Opana can last anywhere from 6 to 36 hours.
The severity and duration of Fentanyl withdrawal symptoms can vary from person to person, and depend on the dosage and length of time the individual has been using the drug.
Marijuana affects brain systems that are still maturing through young adulthood and its use by may have a negative effect on teen development.