Dive into the world of an ice climber, a bus driver, a woman in labor and a senior dance club to show how the human heart and the circulatory system power our physical and emotional lives and create the pulsing rhythm of our world.
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According to current estimates, a widely available COVID-19 vaccine will likely be available within the next 12 months. Why so long? Learn how vaccines are developed and explore the current state of the coronavirus landscape, guided by the scientists on the ground trying to find a solution.
Breakthrough • 2020 • Health
In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenience: staying awake can cause serious bodily harm. Claudia Aguirre shows what happens to your body and brain when you skip sleep.
In this episode, they unpick the dramatic shift in advice on drinking alcohol. After warnings that there's no longer any safe limit, what's the truth on whether it's still ok to have a drink? And what about all the previous reports that suggest the occasional drink might actually be a good thing? The shocking secrets of how Britain snacks are revealed, but it seems the mid-afternoon energy slump that prompts millions to reach for treats may just be all in the mind. Also, the controversial 5:2 diet is put to the test. With the experts still divided, could regular fast days really be the key to losing weight?
S1E5 • Food: Truth or Scare • 2016 • Health
Good to know as you travel to the Antipodes - Australia has the most venomous snakes and spiders in the world. But, if you’re bitten, can you rely on anti-venom? Dr Graham Phillips investigates the effectiveness of anti-venom.
3/10 • Catalyst: Season 1 • 2015 • Health
Thousands of chemicals are used in everyday products – in our water, our food and in the air we breathe. It’s the chemical soup of modern life and it’s virtually impossible to escape them. Is there adequate regulation and testing, or are we in the midst of an uncontrolled, human experiment?
2/10 • Catalyst: Season 1 • 2015 • Health
Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a look at what goes on inside our body when we are chronically stressed.