Of course a healthy dose of exercise is not harmful and the article reiterates this point many times. However, it also says that exercising may make your body more efficient, which lowers the overall energy that&#x27;s used to keep us alive, which in turn may &quot;hurt&quot;, to a certain extent, the weight loss rate.<p>When I was running regularly, I could see my heart rate go down day after day when I measured it right after I woke up.<p>Don&#x27;t exercise to lose weight. Exercise to keep healthy. If you want to lose weight, you need to keep an eye on your calorie intake more than you keep an eye on the calories you burn. Not everybody can perform a 2000-calorie workout in one go.