The Truth About Getting Fit • 2020

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

40:06

Buettner visits Singapore and shares his discoveries in the United States to find out creating a new Blue Zones in a rapidly changing world.

S1E4 • Live to 100: Secrets of the Blue Zones • 2023 • Health

9:15

Fewer children in the United States are getting vaccinated. That’s bad news for those kids, and also for public health in general. Often, the response is to argue and debate and get angry at people who are we see as making terrible, irrational decisions. Instead of doing that, let’s use science to understand why this is happening in the first place.

SciShow • Health

5:02

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.

2014 • Health

58:37

For centuries scientists have been attempting to come up with an elixir of youth. Now remarkable discoveries are suggesting that ageing is something flexible that can ultimately be manipulated.

Horizon • Health

2:51

People ask Google everything under the sun. One of the most commonly searched questions in the world is “How much water should I drink a day?” SciShow has the answer!

Health