Physical fitness is a very important factor when trying to maintain a healthy lifestyle. Regular exercise make the perfect combo that promotes vitality and youthfulness and adds years to your life. Routine cardio training or running habit will boost your stamina and energy levels, melt the extra fat and reduce stress. Resistance training is physical activity designed to improve muscular strength and fitness by exercising a specific muscle or muscle group against external resistance. Its benefits include improved posture, better sleep, gaining bone density, maintaining weight loss, boosting metabolism, lowering inflammation and staving off chronic disease.