Watching a horror film could burn off a whole bar of chocolate, according to a new research.

Scientists recorded their heart rate, oxygen intake and carbon dioxide output - and discovered the number of calories used increased by on average a third during the films.

Outgoing people tend to be overweight, while anxious types are more likely to be thin, according to Japanese researchers who examined the links between personality and body mass index.

If you’re wondering whether the lady of your dreams wants a big family, the answer could be staring you in the face.