There are many factors involved. First of all, are you 25 pounds overweight? If you aren't, it would be dangerous to loose that much. If you work a safe diet and exercise plan, you should be able to lose 25 pounds in about six months. That is a rate of 1 pound every week. You are likely to lose more the first couple of weeks.
About 10 weeks with diet and exercise.
Each person varies with how long it will take to lose 30 pounds. On average, a person can lose around 2 pounds per week. It would take 3.75 weeks to lose 30 pounds with diet and exercise.
If you starve yourself, you could die before you lose the 20 pounds. Weight loss is achieved best by balanced diet and lots of exercise.
With lots of exercise and mostly protein diet 6 -8 weeks. (2-3 hours per day of intense exercise can be an hour 3 times a day)
It depends on how much you want to lose, what your diet is like, and how much exercise. Remember that you DO need food though :)
Diet pills are not a long term solution. While it's true that the FDA recently approved Alli for weight loss, no pill is a replacement for a healthy diet and regular exercise. If you do lose weight using a pill, you'll have to maintain your caloric intake and expenditure for LIFE, which involves remaining on a pill forever, or adopting a lifestyle of a healthy diet and regular exercise. There's no "easy" weight-loss solution.
Yes, it can help with weight control. Just as long as you combine it with a reduced-calorie diet and regular exercise, you can end up maintaining your weight.
If they are in good health, and are getting regular exercise and a healthy diet, they can live on average 10-12 years.
It depends on how intense your workouts are and how conssistant you are with your diet and workout. You also have to avoid hitting an exercise plateau
If you keep to a routine exercise plan and eat a well-balanced diet, a healthy weight loss is 2 pounds per week.
YES, but it's basically because you're just starving yourself whilst stifling hunger by filling yourself up with water. A balanced diet with regular exercise will prove healthier and more attractive in the long run.
Exercise and gradual diet change which works in to your life - not making huge changes.