Fad diets are short-term weight loss regimes, which usuallyfocus on certain food items and exclude others. They often include supplements,because the body is not getting enough of essential nutrients. These dietspromise rapid weight loss, which is usually achieved, but after the diet isover the weight is gained again very quickly. These diets are often criticizedby doctors and nutritionists because they involve certain risks, such asdehydration, malnutrition, osteoporosis and kidney failure.
In this diet, it is not allowed to consume solid foods orplain water. The only things that are allowed are lemonade, maple syrup andcayenne pepper. Six to twelve glasses of this mixture should be consumed perday. People who want to lose more weight should use less maple syrup.
This diet is based on the principle that certain foodcombinations trigger certain chemical reactions in the body, which boost themetabolism and make it burn calories and fat at a faster rate. The diet onlylasts for three days, with two days of pause before it is allowed to startagain. There is no solid scientific proof that those reactions actually takeplace during the three-day diet plan.
Cabbage soup diet
In this diet, the person is allowed to eat as much cabbagesoup as he or she wants. This soup is not very nutritious, and other foods areallowed only in very small amounts. Over the seven days of this diet regime,the dieter will probably develop a distaste for the soup and start eating less andless of it, which is probably the reason why some weight is lost.
This diet is based on the belief that grapefruit containscertain fat burning enzymes and it should be taken whole or as juice with everymeal. Protein-rich foods are allowed, and it is necessary to drink eight to tentall glasses of water too.
In this diet, the dieter is only allowed to eat grapes andto drink water. The quantity of grapes or water is not limited, but it is notallowed to drink water one hour after eating grapes, because it can dilute thenatural chemicals in grapes. It is also important to wash the grapes carefullyin order to remove all traces of pesticides.
This diet promises a weight loss of 10 pounds over 48 hours,during which time the dieter is only allowed to drink a special mixture ofvitamins, minerals, antioxidants and essential oils. It is not allowed to smokeor to drink anything else. Solid foods are not allowed.
This popular diet focuses on foods rich in protein and highin fat, which have fewer calories. Carbohydrates are strictly restricted atfirst, and as the time goes by it is allowed to gradually introduce them backin the diet. This diet is generally considered unhealthy, mostly because of thefats, and it is necessary to take multivitamin and other supplements to preventdeficiencies.
Raw food diet
This is a vegan diet, in which meat, fish, poultry, eggs ordairy products are not allowed. The dieter eats only uncooked vegetables, fruit,fruit juices, nuts, seeds and whole grains. The diet is based on the beliefthat these foods contain more nutrients than cooked foods, and moredigestion-aiding nutrients.
Negative calorie diet
This diet involves foods that require more energy for digestionthan the amount of calories they actually contain, which is supposed to lead toweight loss through calorie-burning. There is no scientific proof to back thisclaim up.
This diet focuses not on the foods that are consumed but onthe time they are consumed at. If there are more than three hours between eachmeal, the body turns on the so-called starvation protection mechanism andstarts consuming lean muscle. The meals are smaller and more frequent, whichlowers the production of the belly-fat producing hormone called cortisol andreduces cholesterol and insulin levels.