Not eating, deliberately, has been a way to make a political statement for centuries. And for even longer, it’s been a normal part of some religious practice. But far more recent uses of fasting are for weight loss and other health benefits -- scientifically proven benefits like lowered cholesterol and reducing systemic inflammation. Dr. Valter Longo joins us on “Take Care” this week to discuss the benefits, challenges and problems associated with fasting. Longo is a professor of gerontology and