if you eat more sugar, your metabolism increases and vice versa.
it's only the levels of fats and proteins that lead to increases or decreases in mass over a long period
(, Tue 26 Aug 2008, 20:03, archived)
www.newton.dep.anl.gov/askasci/mole00/mole00027.htm
(, Tue 26 Aug 2008, 20:10, archived)