Joan Mathews Larson, Ph.D., is the author of the national bestseller Seven Weeks to Sobriety. She holds a doctorate in nutrition and is the founder and executive director of the highly esteemed Health Recovery Center in Minneapolis. It was the loss of her seventeen-year-old son to suicide that fueled her search for more effective solutions to emotional healing. Her clinic has now successfully treated several thousand people over a twenty-year period. She lives in Minneapolis.