The Ebola virus. No-one knows exactly where it comes from but one thing is certain - it's one of the most virulent infections known to science. This special episode of Horizon meets the scientists and doctors from all around the world looking for the cure and hears first-hand accounts of what it's actually like to catch - and survive - this terrible disease.
What's worse for us: sugar or fat? To answer the hottest question in nutrition, twin doctors Chris and Xand Van Tulleken go on month-long high-fat and high-sugar diets. The effects on their bodies are shocking and surprising. But they also discover that in the debate about fat and sugar, the real enemy might have been hiding in plain sight.
Dr Chris Van Tulleken calls on the British public to seek out the truth about the top-selling over-the-counter medicines. We spend an astonishing 2.3 billion pounds on pills, potions and lotions from the chemist's shop every year to beat common ailments from headaches to colds to indigestion. But how much do we really know about what we're buying?
The Ebola outbreak of 2014 almost brought the world to its knees, but this crisis has mobilized scientists and researchers, paving the way for new treatments and vaccines. From antibiotics and vaccines to computer programs that predict how viruses will spread, new lifesaving tools will be used to fight a wide range of viruses in the near future, including HIV, influenza, dengue fever, malaria, and a host of other killer diseases.