For people with severe obesity and their struggle with weight, shows new research suggests that early intervention programs for weight reduction diet and exercise combination really works.

Despite the benefits of diet and exercise has long been known, these studies show lifestyle changes influence seriously overweight people, according to the researchers from the University of Pittsburgh School of Medicine.

This means that people who can not afford, or choose obesity surgery has no other options, to be shown to be effective, said Dr. Donna Ryan, president of physician and researcher Obesity Society organization, which was not involved in the investigation .

“Most people are very pessimistic about what kind of weight loss through lifestyle changes can be achieved,” said Ryan MyHealthNewsDaily. “But this speech was obese population, which is an important message to take home. One can change from very high value for your lifestyle

In 2009, nearly 27 percent of obese people in the United States, according to the Centers for Disease Control and Prevention.

By controlling portion sizes and find the motivation to be active from a friend or personal trainer, weight loss interventions can be used for people who are overweight, work, said dietitian and American Dietetic spokesman Jim White, not involved in the study.

The studies were published online today (October 9) in the Journal of American Medical Association.

Diet and exercise

New research from the University of Pittsburgh School of Medicine conducted research on a weight loss program of 130 adults aged 30-55, the obesity body mass index (BMI) between 35 and 39, 9 were.

BMI between 18.5 and 24.9 is considered healthy, a BMI as obese of 30.

Adults in the study were randomized into two groups. One group underwent the intervention of exercise and diet for 12 months, including one hour of brisk walking five days per week, or at least 10,000 steps a day and liquid meal replacement products for certain meals during the day.

The second group had the same meal replacement every 12 months, but was in the form of physical activity during the last six months of the study.

After six months, the group lost two interventions of diet and exercise more weight. They lost an average of 24 pounds (10.9 kg), compared with 18 pounds (8.2 kg) lost to another group. lost the end of the period of 12 months, the first group of nearly 27 pounds (12.1 kg), and the second group of 22 pounds (9.9 kg), the researchers said.

Waist circumference, liver, fat and abdominal pressure, blood insulin resistance – a risk factor for diabetes – also reduced by the intervention, the study said.

Hidden Benefits

“Not just to lose weight is good, but usually increases the energy,” said White, and other health benefits – such as low blood pressure and insulin resistance are invisible, but it is equally important.

In the second study, 442 overweight or obese women aged 18-69 free meals cooked weight loss advice, training or easy weight loss. After two years of lost women who prepared meals for about 16 pounds (7.4 kg), while the women only received weight loss advice lost 4.4 pounds (2 kg), according to research …….