Dr. Donald Hensrud says there can be safety concerns of intermittent fasting if not done correctly. However, he says recent research suggests there may be some benefits when done the right way. Dr. Hensrud says more studies are needed to see how this method affects people long term. The big takeaway for anyone wanting to try intermittent fasting: Consult with your health care provider first. More health and medical news on the Mayo Clinic News Network. https://newsnetwork.mayoclinic.org/ Journalists: Clean and nat sound versions of this pkg available for download at https://newsnetwork.mayoclinic.org/ Register (free) at https://newsnetwork.mayoclinic.org/request-account/