Eating less and moving more? Yes, it's enough to do those things to lose weight. Drinking more water helps, too - it keeps you hydrated and helps with hunger.
If you measure the food you eat and put it in the food log here on fitday, you can see how many calories you eat. Eat fewer calories and become more active. Fitday has tools to help you keep track of progress, set goals, and figure out what your calorie limit should be to reach your goal.