you want to weigh 70 pounds? that is not healthy. best way to drop pounds is to eat less, and exercise.
It is not advisable to lose 40 pounds in only 17 days. You can lose weight fairly quickly by exercising at least 30 minutes per day and eating healthy foods.
Sorry- there is no way to lose 40 pounds in one week that would not kill you. A weight loss diet will typically reduce weight by about 2 pounds a week. Even if you ate NOTHING for a week you would not lose 40 pounds.
You cannot lose 40 pounds in one day by any natural means.
if you're 18, you should know there is absolutely no way to lose 40 lbs in two weeks. Did you mean two months? because even that is unhealthy. At 5' anyway you shouldn't way 105lbs, too skinny. Talk to your doctor, you should only lose about 2-3lbs a week the healthy way.
if you lost 4 pounds each week and you wanted to lose 40 than you would have to do that for 10 weeks.
You cannot lose 40 pounds of body fat in one week by any natural means. .
Have a leg off.
About 40-55 pounds is healthy
If you jog or walk 40 to 50 minutes a day and eating healthy you will lose around three to four pounds a week. A person should try and eat around 2500 calories a week.
Surgery or serious illness.
Yes its a healthy sign, which translates to 10pounds a month. This is also sustainable, since the loss is not significantly high. The above answer is correct if the loss is primarily driven by exercise and change in dietary habits