"New Genetic Fingerprint Lives in Your Gut ScienceDaily (Dec. 5, 2012) — Our bodies contain far more microbial genes than human genes. And a new study suggests that just as human DNA varies from person to person, so too does the massive collection of microbial DNA in the intestine...Differences in the way individuals respond to various drugs or the way they use specific nutrients can be traced to the genetic variation in our microbial genes as well as in our human genes..."
New from our "It's Okay to Be Smart" series: ever not felt completely like yourself? There's a good reason for that. Because a large part of you . . . isn't you. Our bodies are home to ten times as many microbes as human cells. We are walking ecosystems, each of us home to thousands of different species on and inside of us. Meet your microbiome!
Science is beginning to provide more information about gut bacteria, often called “microbiota,” and its importance in gaining and losing weight. Studies have found that the human digestive system is filled with millions of types of bacteria that have a significant relationship to individuals’ weight. The possibility of changing this bacterial environment could alter how health professionals treat obesity in the future.