Abuse of central nervous system (CNS) stimulants is common. Addiction to some CNS stimulants can quickly lead to medical, psychiatric, and psychosocial deterioration. Drug tolerance, dependence, and sensitization as well as a withdrawal syndrome can occur.
The judicial branch decides what amendments are unconstitutional as well as acts of the president. However, if the judicial branch were to declare an act of the president unconstitutional, it would mean that Congress agreed to this act.
Involves the power and authority of the courts to determine whether the acts of other branches of government (federal and state) are consistent with the Constitution. The court has the power to declare actions of the other two branches unconstitutional according the court's Interpretative of what the Constitution means and requires.