title: Physical activity for weight loss:  how much, how intense?  If you're overweight, you need to be more active than the guidelines specify; but weight loss is achievable if you also cut calories.
mesh_terms: D002149:Energy Intake; D015444:Exercise / Q000502:physiology*; D006801:Humans; D005082:Physical Exertion; D015431:Weight Loss / Q000502:physiology*