Fast way to lose weight?

Anonymous
I have to get surgery done in a month. My doctor said the surgery would run more smoothly if I lost 10 lbs or more because I have breathing issues. He suggested a liquid based diet but I don't know if that will work.

Does anyone have any tips? I know it's not healthy to lose weight very quickly but I am considered obese and I would like if my surgery went easier.
Fast way to lose weight?
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