Our expert says:
provided you're 100% sure you're 100% healthy, it's now a matter of regular exercise. However, because of your previous heart attack, you carry a risk factor and so the best thing is to have it checked out in order to be safe as far as increasing your training time goes.
The reason I say this is that in order to lose weight, you need to burn more calories than you take it. That's a simple formula, oversimplified, in fact, but the basis for weight loss is managing diet and exercise. You are doing some exercise, of course, but perhaps the answer ist hat you need to increase either the duration (I'm not sure how long you walked for - 45 minutes would be good) or the intensity, because harder exercise equals more calories burned, and that may be the trick.
But, before you do that, just get the green light from the doc. once you have, then you can exercise harder, maybe start doing some jogging in those walking sessions.
on the aspect of diet, the best is always to see a dietician. Especially if you're hungry. It may be that you're eating the types of food that can sometimes cause hunger, and you can make small changes, timing of the meals, portion sizes etc and achieve results.
Lastly, on the medication side, that is a distinct possibility. It's something you'd need to discuss with a doctor, because there are usually options and many meds have weight gain as a side effect. So never mind the appetite, it may be that your weight problems (and failure to lose) are a side effect of medication, and perhaps simply changing that will sort it all out!
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