The most popular list changes over time, but these are currently the most popular diet fads or myths out there. Many changes have been made to what was once considered to be sound dietary advice. the most popular diets on the market: Atkins, Jenny Craig, Ornish, NutriSystem, Slim Fast, South Beach, Subway, Sugar Busters!, Weight Watchers and ZoneYour body naturally slows your metabolism while you sleep, you are still burning calories. Foods that take longer to digest actually burn more calories in the process of their own digestion.

Zone Diet - The Zone Diet has consistently remained one of the most popular diet search terms over the last 4 or 5 years. It is so much easier to eat fresh foods paying attention to portion sizes and giving in to the ocassional decadent delicacy along with exercise.
The most popular diet choice for men is the good old low-carb/high-protein Atkins approach. A quick-fix diet isn't typically successful in the long-run for either men or women. The best diet plan is the one you can stick with.
The body metabolizes carbohydrates first; cut down on carbs, and your body will burn fat. So you can eat all the protein and fat you want and still shed pounds.
As studies have come out promoting chocolate as a supplement to a healthy diet, the chocolate diet has come out as well. This diet focuses on decreased calorie consumption with liquid chocolate diet shakes. It acts as a vitamin replacement, and although effective in the short term, has not been found to stimulate metabolism or burn fat, as the diet claims. Rather, any weight lost is a direct effect of decreased caloric intake.
The second is the Negative Calorie Foods Cookbook. It offers three negative calorie diet programs and includes a great negative calorie food cookbook. It's designed to help increase your sluggish metabolism.

Juice diets or the grapefruit diet: fruit is so yummy, isn't it? Until that's all you get for a couple of days. You will be irritable, cranky, and possibly get a good case of the runs. You will lose weight and possibly a few friends. These diets are again for short-term immediate results and quick awesome regain of weight. They will not put you on the road to long-term, reasonable, and healthy weight loss and maintenance.
Diet pills are dangerous, even if they are herbal, and they simply do not address the issues that cause you to overeat. Beware illegal pharmacies giving prescriptions over the Internet. At best you will get a fake placebo for a lot of money, at worst you will harm your heart or have a stroke due to the stimulant effects of many of these drugs.
Eating sensibly has never been so easy with diets like the GI diet, Weight Watchers and Slimming World. They provide healthy eating guidelines for life and don't leave you feeling denied.
Foods that are low in calories, but high in fiber and other vitamins, will keep you satisfied and healthy while you lose weight.

Danish Quality Diet was tested and approved by Danish hospitals and clinics and was used to help thousands of people to lose weight. The goal of Danish Quality diet is to help a patient lose at least 10 pounds in 13 days.
The National Institutes of Health and university medical centers around the nation have spent many years and millions of dollars to test the Atkins diet versus the South Beach, the American Heart Association diet versus the Zone.
Detox diets - These diets are based on the theory that our bodies are continually subjected to toxins such as pesticides, food additives, high fat foods and alcohol. Detoxification takes these toxins out of the body. The length of the diet can vary but the main food groups included are organic fruit, vegetables, juices, herbal teas, rice and drinking lots and lots of water.