Parents take note! If you want to keep your children healthy and away from obesity then give them a younger sibling. The University of Michigan research which included 697 children across the U.S. found that the birth of a sibling especially when the child was between about 2 and 4 years old was associated with a healthier body mass index (BMI) by first grade. Children the same age who didn't have a sibling were nearly three times more likely to be obese by first grade. Senior author Julie Lumeng said that the research suggests that having younger siblings compared with
