Obesity affects millions of people across the world, particularly in developed countries. While excessive consumption of food is the main culprit behind obesity, certain people cannot seem to gain weight even if they consume a lot of food.
Why Are Thin People Not Fat is a BBC investigative documentary, which seeks to find answers as to why some people remain stick-thin despite efforts to gain weight. Directed by Emma Sutton and presented by Peter Capaldi, Why Are Thin People Not Fat aims to prove that a person’s weight is not dependent solely on exercise or diet.
The film explores the mystery of how our body utilize food for fuel and why some people have fast or slow metabolism. Why Are Thin People Not Fat even features a controversial experiment where subjects were made to eat excessive amounts of food to see who becomes overweight and who does not.