Herbalist and nutritional coach Charla Shamhart will teach a class on “Iodine: Essential Nutrient for Life,” Saturday, May 26 from 1 to 3 p.m. at Rainbow Stew in Yucca Valley. Children born to mothers lacking in iodine are documented by the World Health Organization to be at higher risk of mental retardation. There is also a higher chance of autism. There is no set fee for the class but donations are appropriate. Rainbow Stew is located at 55509 Twentynine Palms Hwy. For more information text Charla at 760-401-0689.