Posted on 40 Comments

How Low Calories and Too Much Exercise Can Hurt Fat Loss

An odd situation that some people often experience is one where combining very low calories and too much exercise can actually harm rather than help fat loss.  Though I’ve addressed this issue elsewhere on the site, I wanted to look at it again for the following reason.

An Interesting Case Study

This week, several people have brought a recent case-study to my attention and asked me for comment.  In it, a 51 year old female began marathon training along with a (self-reported) low calorie diet and either appears to have gained weight or not lost weight (she also showed a very depressed metabolic rate, nearly 30% below predicted).

By raising her calories gradually, her body fat (as measured by BIA) came down and her metabolic rate increased.  Now, without more details, it’s hard to really comment on this and the link to the case study is the total amount of information available.… Keep Reading