You should join an online support group or forum that was made specifically for people that are trying to battle weight issues. This is a good idea because it helps to talk to people that are in the same position as you, since they can give you tips they may be using.
Keep a food diary. Carry a notebook with you and write down everything that you eat and drink, and the time of day. You may begin to notice a pattern. Do you tend to snack during the late morning? This could be because you skipped breakfast. Do you fill up with snacks after dinner? You are probably snacking while watching tv, and aren't even aware exactly how much you are eating. By focussing on these patterns, you will be able to change your habits accordingly.
This episode Tiffany Vetter, MD explains the importance of maintaining a healthy weight and gives tips for efficient weight loss.
Diet with a friend for faster results in your weight loss goals. Having a partner that you talk to and check in with on a regular basis, gives some accountability to your weight loss plans. By having to answer to someone else, you are less likely to cheat on your meals or skip out on your exercise.
It doesn't matter if you are attempting to lose a few pounds or a few hundred pounds, the same principals will get you to that final goal, either way. This article has outlined those basic principals and a few more to get you to that ultimate number on the scale.