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.
Within the separation of powers, each of the three branches of government has âchecks and balancesâ over the other two. For instance, Congress makes the laws, but the President can veto them and the Supreme Court can declare them unconstitutional.