
Vitamin D deficiency may increase risk for developing autism, a researcher suggests.William Grant, Ph.D., Sunlight, Nutrition, and Health Research Center, San Francisco, Calif., and John Cannell, M.D., Vitamin D Council, San Luis Obispo, Calif., found that children ages 6 to 17 years old who lived in states with lower solar UVB doses during the summer and fall were more likely to be diagnosed with autism than those children who lived in states with higher solar UVB doses.

















