Losing weight isn’t necessarily a matter of meat vs. plants or carbs vs. fats. Repeatedly, studies suggest you can lose weight with a number of different approaches, including the ketogenic diet, intermittent fasting, and WW (formerly known as Weight Watchers). Truth be told, losing weight is much easier than keeping it off. The last decade of research on weight loss points to the fact that once you lose weight, your body is in a battle with biology. It’s an unfortunate irony, but studies show that as you drop pounds, your levels of “I’m hungry” hormones increase, while your “I’m full” hormones decrease. At the same time, your body physically needs less fuel to operate your smaller size. It’s not an easy battle, but it isn’t impossible; you can march on. Here’s what we’ve learned about weight loss, and what you can do to take charge of your weight this year.
Sure, you can lose weight quickly. There are plenty of fad diets that work to shed pounds rapidly -- while leaving you feeling hungry and deprived. But what good is losing weight only to regain it? To keep pounds off permanently, it's best to lose weight slowly. And many experts say you can do that without going on a "diet." Instead, the key is making simple tweaks to your lifestyle.