Giles Coren, the food critic takes up three extreme diet regimes in a bid to push the very limits of life expectancy. Giles's search to find a diet which might extend his life comes after his great-grandfather lived to the grand old age of 93. His grandfather passed away aged 76 and his father Alan died aged 69. The Coren men are bucking the global trend of living longer so Giles, now in his mid-forties, wants to find out what he can do to avoid a premature death.
Explained examines why diets are often unsuccessful. It looks at the science that suggests that low carb, low fat, and body type diets as well as supplements and detoxification regimes simple do not work in helping most people lose weight. While the diet industry pushes us to avoid calories the food industry encourage us to eat more of them.
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.
So far the volunteers have successfully been losing lost weight, but now the honeymoon period is over. It is the final two months of the diet, and their minds and bodies are fighting back. Dr Chris van Tulleken and Professor Tanya Byron find out if the new personalised diets will help them stay on course, and the experts reveal the scientific secrets to permanent dieting success.
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?