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.
How can the judicial branch check the legislative branch? A: Once passed by the legislature and signed into law by the president, the people of the United States can challenge any law in the courts under the authority of the judicial branch. Laws deemed unconstitutional by the judiciary are considered void.