Men to cope with the extra pounds is more difficult in the experiment scientists from the UK and the USA. Laboratory rats with excess weight forced to lose weight through regular physical activity. It turned out that the effect of physical activity in males significantly more pronounced than in females. This writes The Russian Times.
The whole thing in a separate hormone POMC. The connection of males is responsible for the regulation of appetite and the release of energy during intensive physical labor. In females, the hormone responsible for appetite. The situation is the same in humans.
POMC, if necessary, limit the consumption of energy during the exercise. It also causes the feeling of hunger and the psychological need for food. Women have the same hormone only increases appetite. On energy metabolism it has no effect. That is why the extra pounds from the sport in women go slightly slower than in men.