how much sit ups do you have to do to lose 20-30 pounds?

How much weight is considered unhealthy to loose in one month? I have lost over 20lbs and was wondering if that's healthy or ...

I want to lose 30 to 40 pounds by the end of this summer. What is the best way to do it?

I weigh 148lb I am 13 years old and I am 5"6. How much do I need to lose to be in the middle of the healthy weight section? I...

okay I need to lose weight likke.. 30 or 40 pounds by august 2008. how do I do it? like if I "eat healthy" blahh blahh blahh...

is possibel to loose that much?how?

We are trying for a baby. But at some time I am trying to shed a few pounds. Is it ok to do things like sit ups, skipping etc?

hi. I'm 13 and I weigh 120lbs. and I'm 5ft0", I don't look this heavy, most people think im like 90lbs, but I want t be about...

right so say you only ate like a sandwhich for lunch and a small portion of chips or a bowl of mash or any small meal really ...

How heavy are stones in pounds?

I need help I am really worried...I eat a lot andd do not do much during the day besides sit at home...I am 15 years old and ...