This clip is taken from healthHackers® episode 29 with Dr Giles Yeo - where he describes what he discovered while making his TV documentary: 'Vitamin Pills: Miracle or Myth?' See the FULL healthHackers® interview, in which Giles covers the reason why some people will always be hungrier others, why your brain hates it when you lose weight and why liposuction for weight-loss will increase your chances of dying.