At first glance, the answer has to do with calorie intake. Eating fewer calories won’t make you thin; it will increase muscle mass.

However, diet studies also help us understand just what triggers body fat depots — where fat cells are concentrated in the body. When it comes to weight loss, there are some pretty compelling theories. Some suggest that eating too much is a trigger, particularly if you’re fat, but we don’t know what that’s actually like.

For example, if you’re a man with a very large jaw, you’re probably able to compensate because you have larger muscles. But if your jaw size is moderate, your muscle mass won’t contribute to your slimming.

Research also suggests that fat loss can occur even earlier on eating diets with higher caloric density. In some studies, even after the diet is lowered, fat cells remain in fat tissue, and the fat and body weight don’t decrease.

When it comes to body growth, studies on mice and monkeys show that women eat about 10 percent more calories than men do. This makes them gain body weight loss diet (www.wug.ch) when they eat at their normal weight, but the amount they use to gain weight is slightly higher.

The fat and protein you consume to lose weight will also play a role, because your body needs protein, because you use more calories as protein compared with fat.

How do we lose a pound without a ton of effort?

Research suggests that dieting alone doesn’t work for thin people — it won’t make you lean. You’ll just lose body fat because your calories need to be matched with your body weight loss diet (www.wug.ch). By adding more lean protein, you could achieve a leaner, healthier, and more athletic body shape.

And by eating less and more calories daily, you should achieve greater muscle mass.

Research suggests that fat loss isn’t always easy. For some, dieting alone may be enough — but that doesn’t mean that lifestyle changes are useless, like following certain diets, such as the Paleo movement.

These people must eat a specific, controlled diet — and even that can be difficult sometimes. For some, it may be necessary to take an on-the-go exercise challenge to achieve muscle mass and improve overall health.

The key is to keep moving forward with the goal of becoming stronger. The more research that’s conducted, the better we have to understand how best to approach our body’s appetite for nutrition in a variety of ways. But keep your eyes