Bob Marley did it. So did Michael Phelps. Even President Barack Obama admitted to having inhaled the stuff, admitting quite frankly that “that was the point,” reported MSNBC in November 2007. So what exactly is all the fuss about pot?

The national drinking age has been 21 since 1984, but recently about 100 U.S. universities created quite a stir by signing a statement asking lawmakers to consider lowering the drinking age to 18.