India, June 11 -- What are probiotics, and why do they matter in monsoon? If you've heard the term probiotics before, know that they are more than a passing trend - thanks to their excellent digestive properties. In an interview with HT Lifestyle, Dr Saswata Chatterjee, gastroenterologist at CMRI Kolkata, said fermented and probiotic-rich foods not only help in digestion, but also boost immunity. Also read | Not having dahi or kimchi? Doctor reveals why you must have natural probiotics; shares 4 facts about gut health

Dr Chatterjee said, "The rainy days are notorious for wreaking havoc on digestion, but nature has ever so cleverly endowed us with a solution for this dilemma: fermented and probiotic-rich foods."

According to the Clevelan...