Johann Hari is an award-winning British journalist and playwright. He was a columnist for The Independent and the Huffington Post, and has won awards for his war reporting. His work has also appeared …
Dr. Greger is a physician, New York Times Best-Selling author, and internationally recognized speaker on nutrition, food safety, and public health issues.
Matthew Walker is a British scientist and professor of neuroscience and psychology at the University of California, Berkeley. His research focuses on the impact of sleep on human health and disease. P…