In a study of Swedish women, firstborns were almost 30 percent more likely to be overweight and 40 percent more likely to be obese. The findings are in line with other studies done on men.Aug. 28, 2015
UP NEXT
Strengthen your upper body with this fun boxing workout
04:12
Dating expert reveals the 4 things every guy is looking for
06:11
Simple exercises to focus on upper body strength
04:33
How to enjoy summer activities safely
04:18
Heat stroke: Signs to look for and how to treat it