The concept that “food is medicine” is common to many cultures. Minora Shirota, the founder of Yakult Honsha, in Japan, had a straightforward philosophy: “Prevent disease rather than treat disease; a healthy intestine leads to a long life; and deliver health benefits to as many people as possible at an affordable price” (Heasman and Mellentin, 2001). This philosophy, elaborated almost half a century ago, is becoming more valid now than ever before. At the present level of scientific knowledge, t…