How quickly can i lose eighty pounds?

Losing that much : Weight fast would backfire on you because you would catabolize your muscle mass. Unless morbidly obese - 1 to 2 pound loss per week is good for most people. Eat healthfully ; be physically active. Aim for 7.5 to 8 hrs of sleep / night. Hydrate w at least 64 oz of water / day. Calories burned must > calories consumed. Do both cardio ; weight training. You can mix ; match different kinds of.