Extrapolating from the mouse data, you would need to keep your calorie intake to three-quarters of the amount recommended by dieticians.

ECONOMIST: Abolishing ageing

If you know that you're going to be immobile for long periods, reduce your calorie intake by avoiding, or eating smaller portions of, fatty fast food.

BBC: Overweight frequent flyers

Research has shown that drinking an average of 6-7 cups of water daily may help you reduce your calorie intake by up to 200 calories a day.

FORBES: Five Easy Steps To Lose Five Pounds

Drinking water before you eat a meal can help to reduce your overall calorie intake.

FORBES: Five Easy Steps To Lose Five Pounds

"This simple recipe modification ups your vegetable intake and reduces calorie consumption at the same time, " says Rolls.

CNN: Eat more and weigh less with Volumetrics

Double your vegetable intake and reduce fat -- Both of these changes will significantly decrease the calorie density of your diet without decreasing the volume of food that you consume.

CNN: How can I maintain my energy level for sports while on a diet?