Stroke of insight • 2012

52:00

How can we cope with this tricky virus now rampant worldwide? The key to this battle lies in our immune system. Through the high-tech “eyes” of next-generation microscopes, we will see how our immune defense corps combat against pathogens and what mechanism is expected to help develop treatment.

2020 • Health

45:02

Youth may be wasted on the young, but luckily, you can buy it back. People are using everything from face-lifts to second skin tech to keep their youthful advantage. However, with so many unproven therapies on the market, how many actually work?

S1E2 • A User's Guide to Cheating Death • 2017 • Health

6:17

We’re still only at the dawn of learning how to use drugs properly – knowing what drugs we need and when we should take them. We look forward to a brighter future for drug use.

The School of Life • 2016 • Health

58:46

Is there any way to slow or even prevent the ravages of time? Veteran presenter Johnny Ball looks back over the 45 years that Horizon, and he, have been on air to find out what science has learned about how and why we grow old. Charting developments from macabre early claims of rejuvenation to the latest cutting-edge breakthroughs, Johnny discovers the sense of a personal mission that drives many scientists and asks whether we are really any closer to achieving the dream of immortality.

Horizon • 2014 • Health

4:11

We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need? Emma Bryce explains how a few different factors should go into determining the recommended amount for each person.

TED-Ed • 2015 • Health

4:35

The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does this seemingly counterintuitive process work? Kelwalin Dhanasarnsombut details the science behind vaccines.

Health