Fit People Release More Fat-Burning Molecules During Exercise

“Fit people have more fat-burning molecules in their blood than less fit people after exercise. And the very fittest are even more efficient, on a biochemical level, at generating fat-burning molecules that break down and burn up fats and sugars, the study reports. A better understanding of these fat-burning molecules, called metabolites, may not only boost athletic performance, but help prevent or treat chronic illnesses such as type 2 diabetes and heart disease by correcting metabolite deficiencies, the researchers said. Previous studies had investigated changes in metabolites generated by exercise, but researchers were limited to viewing a few molecules at a time in hospital laboratories. But in the new study, a technique developed by the MGH Heart Center in collaboration with MIT and Harvard allowed researchers to see the full spectrum of the fat-burning molecules in action. They used mass spectrometry -- which can analyze blood samples in minute detail -- to develop a ‘chemical snapshot’ of the metabolic effects of exercise. To trace the fat-burning molecules, the researchers...

http://healthday.com/Article.asp?AID=639526