It's not fair: some people seem to be slim, whatever they eat

Why are some people naturally skinny while others seem doomed to forever watch the scales? There are lots of reasons why one person weighs more than another - genetics, health, metabolism, upbringing and outlook to name but a few.

- Habits of the naturally skinny
- Lose 10lbs in four weeks
- Which celeb body shape are you?
- Diet secrets of the rich and famous

Deep down, most of us know we need to consume fewer calories and do more exercise. Simple it may be, easy it isn’t!

Learn from the habits of the naturally skinny

The biggest problem isn’t learning what or even how much we should eat, but changing our food habits. Be honest, is it always hunger that drives you to eat? We all know an unhealthy skinny so-and-so who can stuff their face and not put on weight - but perhaps there’s something you could learn from the habits of the naturally slim?