title: Major fat-burning discovery.  Harvard researchers discover a hormone released by exercise.
mesh_terms: D002001:Adipose Tissue, Brown / Q000378:metabolism*; D052436:Adipose Tissue, White / Q000378:metabolism*; D000818:Animals; D015444:Exercise / Q000502:physiology*; D005353:Fibronectins / Q000378:metabolism*; D006801:Humans; D051379:Mice
chemical_list: D005353:Fibronectins