These days, the growing interest in a healthy lifestyle encourages more people to do various exercises regularly. Modern city dwellers are always advised to work out to build muscle mass and thereby increase their basal metabolic rate. Working out also strengthens cardiopulmonary function, reduces body fat, lowers blood sugar levels and blood pressure, and drives down blood lipid levels. Yet, the caveat: do you know that some bad habits can undermine the effect of exercise? Let me explain how to fix some of the easily overlooked, undesirable habits and ways to get the best outcome.