There are many diets out there that claim to reduce weight and treat obesity, but which ones actually work? Recently, scientists have begun to use clinical studies to find out which obesity diet works best. The factors that these studies have looked at include effectiveness — how much weight the diet actually takes off — and tolerability — how well people are able to stick to the diet.

The first type of obesity diet that has been examined is the low calorie diet. Low calorie diets have been around for decades, but do they actually work? Clinical studies have found that when people cut their calories down to about 1200 to 1600 calories per day, they end up losing weight slowly but steadily. About one to two pounds a week is a good, healthy weight loss range for a low calorie obesity diet.

A low calorie diet is effective for treating obesity, and scientists have also found that it has good tolerability. To enhance tolerability, people on a low calorie diet should try to stick to a reasonable calorie range. Studies have also found that by focusing on filling foods — such as vegetables, lean meats, and whole grains, people can feel full and satisfied on a low calorie diet.

Another type of obesity diet that scientists have been interested in studying is a low carbohydrate diet. These diets are more recent than low calorie diets, and work by restricting refined carbohydrate intake. Studies have shown that low carbohydrate diets are approximately as effective as low calorie diets. They can be advantageous, however, because they tend to be more tolerable than low calorie diets. Therefore, scientists have found that low carbohydrate dieters tend to stick to their obesity diet for a longer time period and ultimately lose more weight.

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