Vitamin D Reduces Colds and Flu
In the GrassrootsHealth questionnaire that accompanies D*action, participants are asked whether they had a cold or flu in the...
Vitamin D Intake & Toxicity
Is your doctor telling you that you are taking too much vitamin D? The chart below, based on a review...
Vitamin D Serum Level by Amount of Sun Exposure
How successful were people on getting vitamin D to recommended ranges (40-60 ng/ml) on sunshine and food alone? Data...
Vitamin D Deficiency for Children – by Race
NHANES report on vitamin D levels, separated by race. African-American children have the highest levels of deficiency due to...
Vitamin D Deficiency for Children – by Age Groups
NHANES data on children, under 18 years old, separated by age. Only 9% overall are in recommended ranges.
Disease Incidence Prevention Chart
Results of multiple studies regarding the association between 25(OH)D and various diseases...
Scientists’ Call to D*action
Scientists’ Call to D*action A Scientists’ Call to Action has been issued to alert the public to the importance...
Pain Chart
Pain Level vs Serum Level Using data provided by participants in the D*action study, GrassrootsHealth was able to compare...
Sunny Hippocrates Presents: Sun Wisdom
Download and share these fun and educational cartoons featuring Sunny Hippocrates! Sunny’s Sun Wisdom Poster Download PDF
Sunlight and Vitamin D: Necessary for Public Health
Sunlight and Vitamin D: Necessary for Public Health Carole A. Baggerly BA, Raphael E. Cuomo MPH, Christine B. French...