Then I go for a 45 minute run with hills.

1 apple
100 calories worth of popcorn
1 260 calorie Healthy Choice meal

Snack:
1 hardboiled egg

Dinner:
salad with 1 tbsp. of lite ranch dressing

I'm a recovering anorexic and I'm trying to eat more, but I'd like to gain the weight back in muscle and not fat. Is this a healthy diet, and will I gain the weight in muscle if I'm working out while I try to gain weight?

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♥  Don't Worry....Be Happy!  ♥

When you excercise, your metabolic rate increases and it doesn't go down when you stop excercising straight away so even for a while after your run you're still burning off calories. You need to, if you want muscular weight, eat more calories so that your body can process them into muscle, not just burn them off.

Your recommended daily amount of calories is 2000 and it doesn't look like you're eating nearly that. With that said, you're supposed to do half an hour of excercise a day and you're doing more. Your body has no meat on it to turn into muscle. Just follow the RDAs and you'll be fine.

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Do you want to lose it all? 'Cause this is more than just a
Dance hall drug, you can't wait to fall in love.