Adderall is an amphetamine and can be habit forming. The federal government lists it as a schedule II drug. Drugs in that category have, according to U.S. law "the highest abuse potential and dependence profile of all drugs that have medical utility."
They might produce euphoria, they might temporarily make it easier... but in the long run there are significant problems both in terms of thinking, mood problems, maybe even functionality."
jitters, headaches, stomach problems or even eventually lead to psychosis, a mental disorder that includes the loss of contact with reality.