The Five Day Pouch Test is a "reset" diet for people who have had gastric bypass surgery and might be starting to regain weight. Gastric bypass is usually performed only on people with a BMI of 30 or higher who have serious health risks due to their obesity.

You're down to the last 15 pounds of weight loss, but the scale will not to budge. It can be incredibly frustrating when you hit a plateau in your weight loss, especially when you're so close to reaching your goals.

Thinking of going low-carb to shed pounds? You have the right idea. Low-carb diets not only help you shed weight, but they may also keep you feeling fuller than other diets because they're packed with filling healthy fats and protein.

The stomach flu is caused by a viral infection and can leave you feeling weak, dehydrated and tired. The stomach flu also has other unpleasant symptoms, such as diarrhea, vomiting and nausea. A variety of viruses can cause stomach flu, and it can affect children as well as adults.

The South Beach Diet, a low-carb, high-protein diet plan, claims that participants can lose 8 to 13 pounds during the first two weeks, known as "phase one." During this time period, the diet focuses on vegetables, lean protein, low-fat dairy, nuts and limited carbs coming only from fibrous vegetables and legumes.

Unexplained weight loss occurs for a variety of reasons, ranging from unhealthy eating and poor nutrition to diseases and aging. When you lose weight without trying and begin to lose hair as well, you may be at risk for a serious medical condition, according to Medline Plus.

The bad news is that cardiovascular, neurological, hormonal and musculoskeletal changes can make toning and exercising more challenging after age 55. The good news is that the fundamentals of toning and exercise do not change with age.

Your goal to burn 700 calories a day will help you lose one pound in five days. One pound of body weight equals 3,500 calories, so increasing your activity level to use calories is one solution on your way to weight loss.

Marinades are used to help infuse flavor into foods prior to cooking. Often, high-sodium ingredients are included to impart a variety of flavors. Prepared brand-name marinades are available that contain little to no sodium. Low-sodium marinades can be made using commonly-found ingredients in your own home.

Phentermine and ephedra are stimulants used to aid in weight loss. Despite some similarities, ephedra has been banned by the Food and Drug Administration while phentermine is still prescribed to treat obesity.

The fastest way to get rid of belly fat is to adopt a more physically-active lifestyle, including regular cardio and strength-training sessions.

The periodical U.S. News & World Report ranks Weight Watchers as the best diet for those trying to lose weight. It's one of the better commercial diet programs and relatively easy to follow, since it doesn't outright ban any food or food group.