Caffeine: America's Drug of Choice - Murray Carpenter

The United States government regulates so many drugs, but Murray Carpenter points out that one drug is often overlooked. Caffeine is sold over the counter in many regular grocery items we don't think twice about purchasing. Carpenter points out that its use is regulated in drugs by pharmaceutical companies, but has no limits when put in food. He examined the caffeine industry in his new book, Caffeinated and shares surprising secrets about the drug's use in coffee, energy drinks and why it is so hard to regulate.