In order to speed their products to market, some companies skip the drug route and brand their products as medical foods or "nutraceuticals, " as the industry calls the huge category of over-the-counter nutritional supplements.

WSJ: 'Medical Foods' and Supplements for Brain Health Advance

Route 66 had its own hit song, a television show and a brand of petrol named after it, and it played a prominent role in any discussion of the American roadfaring experience.

ECONOMIST: A road through the heart