Stimulant medications include: 1  Amphetamine sulfate (Evekeo). 2  Dextroamphetamine (Adderall and Adderall XR, Dexedrine, ProCentra, Zenzedi). 3  Dexmethylphenidate (Focalin and Focalin XR). 4  Lisdexamfetamine (Vyvanse).
exists and is an alternate of . The Judicial Branch can declare a Presidential Order (called an Executive Order) unconstitutional. While the US Supreme Court is the final arbiter of constitutionality, even US District Courts can overturn an Executive Order, as was the case with President Obama's moratorium on deep water drilling in the Gulf.
Each branch restrains the other from becoming too powerful through checks and balances. The executive branch can veto a passed law from the legislative, while the legislative branch can cancel that veto with 2 thirds vote from both houses of congress and the judicial branch can decide if a law is unconstitutional.