Lexi Winnell, a 9-year-old girl with Native American ancestry, is insulin resistant. Her grandparents have gone all out to keep her from getting diabetes.
Dr. R. Jeffrey Chang is a professor of reproductive medicine and director of the division of reproductive endocrinology and infertility at the UCSD School of Medicine. A reproductive endocrinologist with wide-ranging expertise in infertility issues and treatments as well as endocrine abnormalities, Chang has served as president of the American Society of Reproductive Medicine and as chair of the National Institutes of Health Reproductive Biology Study Section.
Dr. Elena Volpi is an professor of geriatric medicine and holds the Daisy Emery Allen Distinguished Chair in Geriatric Medicine in the Department of Internal Medicine and the Division of Geriatric Medicine at the University of Texas Medical Branch. She also is director of the Mass Spectrometry Laboratory at the Sealy Center on Aging. Volpi is an endocrinologist, a gerontologist and an expert in human metabolism. Her research on muscle metabolism in aging dates back to 1996.