Adolescent girls in Maine are at risk for vitamin D insufficiency
SS Sullivan, CJ Rosen, WA Halteman, TC Chen… - Journal of the American …, 2005 - Elsevier
The objective was to determine the seasonal fluctuations in serum 25-hydroxyvitamin D (25-
OHD) in a group of healthy adolescents living in a northern climate. Twenty-three 9-to 11-
year-old girls participated in the study from September 2000 to March 2003. Serum 25-OHD
and parathyroid hormone levels were measured each September and March. Dietary intake
of vitamin D was assessed each summer and winter. Summer-sun exposure was evaluated
using reports of time spent outdoors. The mean decrease in serum 25-OHD from September …
OHD) in a group of healthy adolescents living in a northern climate. Twenty-three 9-to 11-
year-old girls participated in the study from September 2000 to March 2003. Serum 25-OHD
and parathyroid hormone levels were measured each September and March. Dietary intake
of vitamin D was assessed each summer and winter. Summer-sun exposure was evaluated
using reports of time spent outdoors. The mean decrease in serum 25-OHD from September …