The Wikipedia article has a tonne of links to studies that link amphetamines to addiction, which is also a primary trait of opiates. Opiates also have negative

The Wikipedia article has a tonne of links to studies that link amphetamines to addiction, which is also a primary trait of opiates. Opiates also have negative side-effects with abuse, just like amphetamines. They have many similarities. > and extended use can also lead to addiction, memory problems, paranoia and difficulty sleeping Etc.