According to experts, the calculation of calories used last 18 years as a basis for drawing up of a dietary and healthy food, can be incorrect. To such conclusion they have come, having estimated more precisely, as energy is burnt during physical activity.

Today the recommended norm makes two thousand calories for women and two and a half — for men. The British scientists believe that these figures can be increased by 16 %, that is the adult person can fearlessly "eat" 400 additional calories in day that is equivalent to a cheeseburger of the average sizes.

However experts notice that is more than the usual those who will increase physical activity can only. Otherwise not to avoid excess weight.

The committee offer will be discussed within 14 weeks then experts will publish the updated daily norms of consumed calories. However, the British Agency of norms of a food at Ministry of Health, anxious by adiposity epidemic in the country, can prevent it.