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After drinking a few glasses of water on a hot day, you might be struck with a sudden ... urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors.
Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here’s a look at how sleep works, why we’re not getting enough sleep, what happens if you DON’T sleep, and an idea about where sleep came from in the first place.
2015 • It's Okay To Be Smart • Health
Michael gets trapped in his own nightmares. Phil collapses whenever he has a strong emotion. Nancy sleepwalks her way into danger almost every night. Can the sleep gurus help?
2017 • The Secrets of Sleep • Health
The human body is constantly regenerating itself, but as we get older, the ability for self-repair diminishes. The human foetus, however, has far greater powers of regeneration. The programme explores how modern medicine is looking at ways to tap into the superhuman power of the embryo.
2001 • Superhuman • Health
A woman narrates her story, portrayed in animated format, of her life with depression and the difficulties that come with it.
2014 • Health
A searing, two-hour investigation places America’s heroin crisis in a fresh and provocative light -- telling the stories of individual addicts, but also illuminating the epidemic's years-in-the-making social context, deeply examining shifts in U.S. drug policy, and exploring what happens when addiction is treated like a public health issue, not a crime.
2016 • Health