Can exercise raise metabolic rate after prolonged calorie restriction?

[never-enough21]

When a person consumes less than 1000-1200 for a long period of time, their body inturn goes to starvation mode right? And your metabolic rate slows down? Then, by exercising your metablism will increase. If you lower your intake but increase the amount of exercise (or even taken to the extreme, of taking cold showers, etc.) could you raise you metabolism back to it's original state?

 

[drcathyc]

I hope you're not asking this because you are anorexic.