Eh there's a lot of variation in those studies. Notice in this table that people who exercise regularly do successfully maintain: http://ajcn.nutrition.org/cont

Eh there's a lot of variation in those studies. Notice in this table that people who exercise regularly do successfully maintain: http://ajcn.nutrition.org/content/74/5/579/T2.expansion.html http://ajcn.nutrition.org/content/74/5/579/T2.expansion.html