There are various factors to consider with a weight loss program, including what measures are you going to take to reach your goals. These goals could be any reason whether it be to be healthier due to some related health issue or many other reasons.
The way to lose weight is to reduce the calorie intake together with a healthy exercise program, this could include enroling in a gym and join a group which often makes it easier to lose weight as there is often a competitive nature to see who can lose weight fastest.
The importance of a healthy well balanced diet is obvious together with regular exercise. The answer to calorie restriction and weight loss go hand in hand.
If you follow a well thought out plan and build up the exercises it will be easier to lose weight in a shorter period of time. Once you lose that weight follow the plan to avoid gaining it again.