Diet

The way we think is linked to the quality of our sleep, says Bronwyn Milkins, PhD candidate at the Centre for the Advancement of Research on Emotion at the University of Western Australia. Audio

Sarah Boseley looks at the global obesity problem and what is being done about it in her new book 'The Shape We're In: How Junk Food and Diets Are Shortening Our Lives'. Audio

Stable isotope analysis of sea lion and fur seal hair and bones is showing how marine food webs have changed over time Audio

In 'The Story of the Human Body' Harvard evolutionary biologist Daniel Lieberman writes a book about how the human body has evolved over millions of years. Audio

Journalist Nina Teicholz has written for the New Yorker, the Economist, and the New York Times. She says the F-word - Fat - is not the enemy, and that our long-held beliefs about fat don't add up… Audio

Dr. Valter Longo of the University of Southern California has led a study looking at how too much protein from meat, eggs and dairy can harm your health. So how much is too much, and does your age… Audio

Britain's Daily Telegraph newspaper is reporting the government will this week recommend to all people in the UK to eat no more than 500 grams of red or processed meat a week in order to protect them… Audio

Surgeon at the Cleveland Clinic and author of 'Prevent and Reverse Heart Disease', on how oil, dairy and meat exacerbate the thickening of the walls of arteries, triggering heart disease. Audio