The reserved powers clause, represented in the 10th Amendment, is that safety valve. Any power not given to Washington, DC, automatically belongs to the states. So try it out: drivers' licenses.
Lipitor is a prescription medicine used to treat high cholesterol levels and to prevent heart disease. Lipitor belongs to a group of drugs called HMG-CoA reductase inhibitors, also known as statins. Lipitor works by blocking the production of cholesterol in the body.
Rosuvastatin (marketed by AstraZeneca as Crestor) 10 mg tablets. Rosuvastatin, marketed as Crestor, is a member of the drug class of statins, used in combination with exercise, diet, and weight-loss to treat high cholesterol and related conditions, and to prevent cardiovascular disease. It was developed by Shionogi.