• Episode 15

    Can Turkey Make You Sleepy?

    Why do we feel sleepy after a big Thanksgiving meal? Is there something in the turkey? Are cranberries good for our kidneys? These are some of the questions our experts will explore. Chris Cheesman of the University of Alberta will talk about tryptophan in turkey. (Begins at 03:17) L. Lee Hamm of Tulane University School of Medicine will discuss what the research shows about cranberries and kidney health. (Begins at 08:58)
  • Episode 23

    Cool Water

    Three physiologists tell us why the prescription ‘drink when you are thirsty’ is usually the best guideline for deciding when and how much to drink. Heinz Valtin of Dartmouth Medical School (retired); Mark Knepper, of the Laboratory of Kidney & Electrolyte Metabolism of the National Heart, Lung and Blood Institute; and Samuel Cheuvront, of the Thermal and Mountain Medicine Division of the U.S. Army Research Institute of Environmental Medicine, talk about water consumption and answer the question: ‘Must I drink 64 ounces of water each day?’ (Begins at 03:47)