What you need to know about probiotics

As a dietitian, I am often asked questions about digestive health, what is normal and what is not. It does not come as a surprise that this is a popular topic, for it is estimated that $142 billion dollars a year are spent on digestive diseases. In 2004 the NIH estimated the prevalence of digestive diseases at 60-70 million. So what is the mystery surrounding the high number of digestive ailments? It is well established that fiber, physical activity, stress reduction...