DALLAS, Texas, June 14 (TNSres) -- The University of Texas Southwestern Medical Center issued the following news release: Mysterious cells that secrete hormones in the large intestine play a key role in regulating body weight through their relationship with intestinal bacteria, a study led by UT Southwestern Medical Center researchers suggests. Their findings, published in Nature Metabolism, could lead to new treatments for obesity and extreme weight loss. "This work provides a new understandi  more