I know of some ways to lose weight, but not overnight. You can diet and exercise. I find exercise - I mean actual MANUAL labor around the yard---helps me lose weight more than regular exercise like walking around the neighborhood. Manual labor involving lifting also improved the look of my muscles (muscle mass).
I don't believe all the weird diets out there, like "Drink green tea or our special formula and lose weight fast!". Losing weight fast might be neither healthy nor safe (not to mention sometimes impossible!).
