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.
Is sugar the new tobacco? How did the food industry get us to stop asking the question: is sugar toxic? It all starts with a secret PR campaign dating back to the 1970s. For forty years, Big Sugar deflected all threats to its multi-billion dollar empire, while sweetening the world's food supply. As obesity, diabetes, and heart disease rates skyrocket, doctors are now treating the first generation of children suffering from fatty liver disease. The sugar industry is once again under siege. They dodged the bullet once. Can they do it again?
2015 • Health
Dr Kevin Fong examines what can be done to reduce the number of mistakes being made by surgeons in the operating theatre. Speaking to professionals in high-pressure careers - including airline pilots, firemen and Formula One pit workers - he explores the coping mechanisms they each employ when faced with emergency situations, and looks at how these tactics could be transferred to the world of surgery.
The series offers a fresh look at the science behind teeth and dentistry, and what we can all do to improve our oral health. The programmes feature patients undergoing treatment for missing or broken teeth, decay, gum disease, and a range of other problems – sometimes to the extreme. The series also features a strong public health message, with experiments on and information about everything from correct tooth brushing to the effectiveness (or otherwise) of over-the-counter tooth whitening kits.
The volunteers are put through a series of tests at a residential clinic to understand how their genes, hormones and psychology influence their eating behaviour. They are then put on the diets the experts believe are best suited to them. Can science succeed where other diets have failed?