Long Island Nutrition is a health and nutrition facility located in Stony Brook. Dr. Yu-Shiaw Chen, a certified nutritionist with a history in the science and medical fields, oversees the center. Dr. Chen offers nutrition and health management advice both individually and through group counseling, on-site and over the phone. The center offers programs regarding weight management, diabetes care, fatigue, PMS, hypertension, cancer, arthritis, osteoporosis, digestive issues and fibromyalgia.