Actress Kirstie Alley is losing the battle with her weight, as this photo taken of her in Los Angeles on June 1 shows her looking heavier than ever.

Successful bariatric surgery allows morbidly obese patients to lose up to 70 percent of their excess weight and to maintain weight loss. The latest study by Dr. Nicolas Christou of the McGill University Health Centre (MUHC) and McGill University shows that this surgery also decreases the risk of developing cancer by up to 80 percent.

Teenagers' obesity-related medical complications improve just six months after laparoscopic gastric banding surgery, according to outcomes data presented this week.

People can lose weight by flavoring their food with calorie-free seasonings and sweeteners, which may make them feel full faster and decrease their consumption, according to a new study. The results will be presented at The Endocrine Society's 90th Annual Meeting in San Francisco.

A higher-protein diet that emphasizes lean meats and low-fat dairy foods as sources of protein and calcium can mean weight loss without bone loss--and the evidence is in bone scans taken throughout a new University of Illinois study.

Last night we were really inspired upon witnessing the unbelievable transformation of obese people into their slim slender body figure using The Best Life Diet by Bob Greene. To us, the Best life Diet is a hot diet that fits his yoga lifestyle. It can really changes once's physical and emotional appearance the way he or she wants it.

One in three elderly hospital patients suffer from malnutrition, but go largely unnoticed by hospital staff, Australian research has revealed.

Imagine being able to tone down appetite and promote weight loss, while improving the body’s ability to handle blood sugar levels.

A study of 90,000 people has uncovered new genetic variants that influence fat mass, weight and risk of obesity. The variants act in addition to the recently described variants of the FTO gene: adults carrying variants in both genes are, on average, 3.8 kg (or 8.5 lb) heavier.

There have been recent claims that dairy products can help people lose weight, and the dairy industry has hyped the assertion by investing millions of dollars in commercial advertising. However, a new review of the evidence published in the journal Nutrition Reviews reveals that neither dairy nor calcium intake promotes weight loss.

Bariatric surgery will be featured on the eighth webcast sponsored by Saint Joseph's Hospital and Marshfield Clinic. It is set for 4-5 p.m. Thursday, May 29.

The key focus of the Diogenes study is to identify the most effective diet to help adults stop regaining weight after initial successful weight loss.