Newbie , just joined this evening. I wonder if anyone else has had this problem, I gave up smoking 4 weeks ago, and started a diet and exercise regime 2 weeks ago, but Im just not losing the weight. I have been very good with the diet, everyday I do 30 minutes of intense power walking on the treadmill combined with weights, oh yes I am post menopausal , mid 50s. What can I be doing wrong ?????? Please somebody help.