A new study shows that children born to women who have achieved drastic weight loss through stomach surgery are healthier than children born to severely obese moms. The findings suggest that obesity creates an unhealthy environment for a fetus that has ramifications later on, scientists report in the November Journal of Clinical Endocrinology & Metabolism. Dana Dabelea, a physician and epidemiologist at the University of Colorado–Denver and the Colorado School of Public Health in Aurora said “This is the first proof that exposure to obesity in utero is associated with long-term effects.”