Older Siblings May Be More Likely To Become Obese
New research on pairs of sisters finds firstborn women show greater risks for obesity compared to their second-born sisters.By Ryan Biek | August 27, 2015
Can birth order affect obesity risk? A new study comparing sisters may make being the older sibling a little less desirable.
Researchers from Sweden and New Zealand published their findings in the Journal of Epidemiology and Community Health.
Not counting twins, the study found firstborn sisters were 29 percent more likely to be overweight and 40 percent more likely to be obese than second-born sisters.