It seems to be obvious that eating less and weight loss are directly connected, which leads to people, especially youngsters, starving themselves, sometimes till they are hospitalized, in order to achieve size zero. But that not the smartest thing to do, especially if you want to also stay healthy. Losing weight naturally is not about some special program or a fad diet but requires a change in lifestyle.
In fact technically all you need to ensure is that you eat lesser calories than you burn or burn more than you eat. And as long as you can keep doing that, you can continue to eat, with certain caveats, anything you want to, while losing excess weight and then keeping it that way. Research indicates that people who aim to and work on losing weight slowly and consistently, about 0.5 to 1 kg per week (1 to 2 pounds) are a lot more successful. Since a pound is about 3500 calories, reducing 500 to 1000 calories every day will help you meet the weekly goal.
But every body works differently: some people are blessed with a high metabolism that keeps them thin, and a few people are more active than the rest, it is best to first take expert advice to understand your body and its needs better.
A few general but important tips...
At the end of the day, losing weight and staying healthy is an option, and so is the opposite.
It is your body, your life, your choice.