Research at University of Michigan Finds a Link Between Vitamin D Deficiency and Earlier First Menstruation

A study by researchers at the University of Michigan’s School of Public Health has found that young girls with low levels of vitamin D, sometimes called the sunshine vitamin, are more likely to begin menstruation at an early age. The results showed that girls with low levels of vitamin D were twice as likely as other girls to start menstruation before age 12.

Previous studies have shown that women who started menstruating at a young age have a higher risk of developing cardiometabolic diseases and certain types of cancer.