@CNN: Women who carry an uncommon genetic variant may produce an enzyme that breaks down hormones found in birth control, a new study finds https://t.co/sMFjrl2Q49 https://t.co/zZgf84CmHl
Women who carry an uncommon genetic variant may produce an enzyme that breaks down hormones found in birth control, a new study finds https://t.co/sMFjrl2Q49 pic.twitter.com/zZgf84CmHl
— CNN (@CNN) March 13, 2019