We all have that one friend who could eat all the sweet and savory food in the world, yet there isn’t any visible change in their body size. As the popular saying goes – blame the player not the game! Well here the game is metabolism. The word metabolism refers to how much energy your body uses. In other words it means how many calories you burn in a day. A starting point to measure your metabolism is calculating BMR (basal metabolic rate), which measures how many calories yo