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Low vitamin D in young girls may lead to early menstruation, which is a risk factor for a host of health problems for teen girls as well as women later in life, according to a new study. Researchers from the University of Michigan School of Public Health measured the blood vitamin D levels in...

Low vitamin D in young girls may lead to early menstruation, which is a risk factor for a host of health problems for teen girls as well as women later in life, according to a new study. Researchers from the University of Michigan School of Public Health measured the blood vitamin D levels in...

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