The sweaty season of summer is here. And just like others if you too think that it may bring your metabolism to its peek then you may be wrong. Metabolism is the process through which the body converts food into energy. As you age, you lose muscle mass at the rate of about 10 percent each decade after age the age of 45. Contrary to popular belief, your body tends to burn more calories during the cold seasons than in warm weather. This happens because your body produces more heat in cooler environment, which leads to extra energy and this increases the rate of metabolism. Therefore, to increase your metabolism in summers, you need to workout, stay active and eat the right kind of food like iron. Iron is one of the most important elements which is responsible for increase in metabolism in your body. So, we’ve compiled a list of best fat-burning and nutritious nuts which are a great source of iron.