These ladies are right. The other thing I'd add is that over-exercising can be counter productive. My trainer said no more than 3 weight training sessions and 3 cardio sessions per week. So, I exercise every day for an hour but alternate between weight days and cardio days. Plus at least one day is a pure rest day with one other possible day of rest if I feel over-worked.

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Starting Weight February 2006: 392
Current Weight: 217
Total Lost Since February 2006: -175
Banded April 2006