Aspire Magazine: Inspiration for a Woman's Soul.(TM) Oct/Nov 2014 - Featuring Louise Hay | Page 71

Michael Gershon, professor and chair of pathology and cell biology at Columbia University, has done groundbreaking work on how the gut’s brain, or enteric nervous system (ENS), works. Here are a few key facts56, 57: The enteric nervous system is embedded in your entire digestive tract from mouth to anus. It relies on, and in many cases creates, more than 30 neurotransmitters that are identical to those in the brain. (Serotonin is one of these.) Approximately 70 to 80 percent of your immune system is located in your gut. This makes sense because your digestive system has a big job. It takes in food, water, and bacteria from the outside world and transforms it into nutrients to grow, repair, and maintain the human body. This is the true definition of the old adage, “You are what you eat.” Approximately 90 percent of the body’s serotonin is located in your gut. Serotonin helps regulate mood, sleep, and learning and can influence your happiness and selfesteem. Serotonin also plays a critical role in digestion by helping to secrete enzymes that help you digest food. Your gut sends signals to your brain that directly affect feelings of sadness or stress, even influencing learning, memory, and your ability to make decisions. In turn, your brain’s emotions affect your digestive tract. Anger, anxiety, sadness, joy, and other emotions can trigger symptoms in your gut. Today, more studies are showing that food affects mood and that gut health has a big impact on disease, including osteoporosis, autism, depression, and autoimmune conditions. Here are three studies that further highlight the gutbrain connection: 1. W  hat you put in your stomach can change your mood. A study by Belgian scientists found that eating fat has the power to lift our emotional state and make us feel happier.58 This is why people go for comfort food when they’re upset. 2 .  hronic stress can create gutC to-brain cravings. Studies on mice showed that under chronic social stress (like trauma from abuse or bullying), mice would go for high-fat, highcalorie foods and gain more weight than their less stressed counterparts.59 Additionally, researchers found that it was the gut telling the brain what to eat and not the other way around. Under stress, the brain produces gherlin, a 71 HEALTH & WELLNESS When you take care of your gut, you take care of your whole body-mind.