Perhaps you have succumb to the kale craze or the acai acclaim. But what makes these foods “superfoods?” A lot of the time, the answer seems to be antioxidants. Today, we talk to Professor Mauro Serafini to get to the bottom of the superfood and antioxidant obsession. What are antioxidants? Why are they important for our health? What do they have to do with superfoods? And are superfoods a real thing?

You may have heard online that calorie restriction, or intermittent fasting, or both combined actually make us live longer. But what does science have to say about this? Today, we talk to Professor John Speakman about the science of calorie restriction, health, and longevity. What does being hungry have to do with being longer?