Research says vitamin D in adult diets has been on the decline for the past 25 years. Lisa Harnack, School of Public Health and Masonic Cancer Center, explains her research and offers tips on how people can increase their vitamin D intake.
Research says vitamin D in adult diets has been on the decline for the past 25 years. Lisa Harnack, School of Public Health and Masonic Cancer Center, explains her research and offers tips on how people can increase their vitamin D intake.
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