By Steven J. Bancroft Exercising on a treadmill is one of the most effective ways to lose weight, get in shape and improve your overall state of wellbeing. Whether you should use a treadmill depends on your personal preference and long-term fitness goals. As with any type of gym equipment, treadmills have their benefits and drawbacks. If you are considering buying a treadmill or using one at the gym, there are several advantages and disadvantages...