Weight Loss News

Participating in some moderate to vigorous physical activity and limiting TV were key to successful weight loss in teens, according to a U.S. study.

A University of Minnesota Medical School study, published in Obesity, identified common factors among the 16-to-18-year-olds who lost weight including:

-- Females who lost weight averaged 7.6 hours of physical activity a week, and males 11.7 a week.

-- Females were more likely to participate in weight training and strengthening exercises.

-- Teens who lost weight spent significantly less time in front of the television compared to those who gained weight.

Kerri Boutelle, lead author and assistant professor in the department of pediatrics at the University of Minnesota Medical School, says it is clear that exercising, staying active and limiting sedentary activity is essential to teens losing weight.

Obese women who follow low-carbohydrate diets, such as the Atkins diet, may lose more weight in a four-month period than those who go on low-fat diets, new study findings show. The reason for the greater weight loss, however, is not clear.

"The differential weight loss is not explained by differences in resting energy expenditure, thermic effect of food or physical activity," write study author Dr. Bonnie J. Brehm, of the University of Cincinnati, Ohio and her team.

In a previously published study, Brehm and her colleagues compared the effects of a low-carbohydrate diet versus a low-fat diet among obese women. They found that the women on the low-carbohydrate diet lost more than twice as much weight as those in the comparison group during a six-month study period.

The researchers hypothesized that the greater weight loss among those on the low-carbohydrate diet was due to the women’s greater energy expenditure. "If it’s not calories in, it must be calories out," Brehm told. Some advocates of low-carbohydrate diets say that such diets promote increased energy expenditure, but this claim has not been formally tested, until now.

To investigate, Brehm and her team randomly assigned 50 moderately obese women to a low-carbohydrate diet group or a low-fat diet group. Only the low-fat group was told to restrict their caloric intake. Forty women completed the study.

By the end of the four-month study, women in both groups had lost weight and body fat, the researchers report in this month’s issue of the Journal of Clinical Endocrinology and Metabolism. However, the low-carbohydrate group lost more than 10 percent of their body weight, while the low-fat group lost about 7 percent. Specifically, the low-carbohydrate group lost 9.8 kilograms (21.6 pounds) of weight and 6.2 kilograms (13.7 pounds) of body fat, while the low-fat group lost about 6.1 kilograms (13 pounds) of weight and 3.2 kilograms (7 pounds) of body fat, the report indicates.

To estimate their level of physical activity, women in both groups were fitted with pedometers, which recorded the number of steps they took daily. At the start of the study, both groups of women had similar pedometer readings, and by the end of the study, there were no significant changes, according to Brehm and her team. Resting energy expenditure was also similar between the two groups at the start of the study and remained comparable four months later.

The thermic effect of food (TEF), which comprises up to 10 percent of the amount of energy consumed daily, includes the energy expended during digestion. When the investigators obtained TEF measurements after the women ate breakfasts containing a similar number of calories, they found that those on the low-fat diet expended more energy in a five-hour period.

This suggests that the low-fat meal was absorbed more quickly than the low-carbohydrate meal, the report indicates. Yet, even if the TEF of the low-carbohydrate meal had been underestimated, the researchers "would not have approached the amount of energy needed to account for the greater weight loss in this group," they write.

"These results confirm that short-term weight loss is greater in obese women on a low-carbohydrate diet than in those on a low-fat diet even when reported food intake is similar," according to Brehm and her team. Weight loss by diet pills like acomplia is not a bad solution for treatment of obesity.

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Bound to an unhealthy eating regime, Katie Archer discovers new treatments that lift the lid on feeling good and losing inches. Motivation for a new year, new me has long since been and gone with no lasting effects. And it's still not light enough yet to do anything outdoors in the evenings, so I have developed a bad cycle of going out to eat or drink, getting tired from over-indulging and then going straight home to sleep it off.

This does not make for a healthy person and although I can feel the weight piling on, I would rather have a gastric band fitted than go to the gym. Looking for any easy way out, I was eternally grateful to receive two boxes from a kind friend, one labelled Wrap Factor and the other Patch Factor.

These two modest-looking boxes promised to help me lose inches within an hour and pull toxins out of my feet in five days. If this turned out to be true, what a perfect life it could be - eating and drinking until close to bursting point by day; waiting for the patches and bandages to work their magic by night.

The products, by Body Boutique contain simple instructions on how to use them and filled me with hope that this may be the answer. Squeamish as I am, I became a little reluctant when I read Wrap Factor is not a water loss wrap but a poultice - isn't that something you put on boils?

But I decided to give it a go anyway and soaked the re-usable bandages in hot water and clay mix before wrapping them around my stomach and relaxing for an hour. The bandages don't feel particularly pleasant but in the belief it would be doing me good I didn't mind too much.

I only managed to lose half an inch each off my hips and waist but apparently because of the clay being absorbed you can keep losing weight for a few days afterwards. Patch Factor seemed even simpler (although it was still a poultice) and promised to detoxify me after a good night's sleep.

The patches should be stuck on your feet soles for five nights in a row to help with aches and pains and claim to re-energise. They can even be used on other painful areas such as the back and shoulders. After leaving them on for seven hours I did get a better night's sleep but am unsure how much I was detoxed.

Resource: http://icsurreyonline.icnetwork.co.uk

Weight loss by diet pills like acomplia is an easy solution for making slim and smart.

 

When it comes to weight loss, finding an understanding doctor can be almost impossible. Just ask Hamilton Erridge, author of the new book "Creating Your New Lifestyle".

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Weight loss surgery, such as gastric bypass surgery, can lead to a vitamin deficiency that can cause memory loss and confusion, inability to coordinate movement, and other problems, according to a study published in the March 13, 2007, issue of Neurology�, the scientific journal of the American Academy of Neurology.

The syndrome, called Wernicke encephalopathy, affects the brain and nervous system when the body doesn�t get enough vitamin B1, or thiamine. It can also cause vision problems, such as rapid eye movements.

The study found that the syndrome occurs most often in people who have frequent vomiting after the surgery. It usually occurs within one to three months after the surgery, although one case occurred 18 months after surgery.

The study reviewed the scientific literature for all reported cases of the syndrome occurring after obesity surgery. A total of 32 cases had been reported. Many of the people also had neurological symptoms that are not typical of Wernicke encephalopathy, such as seizures, deafness, psychosis, muscle weakness, and pain or numbness in the feet or hands.

“When people who have had weight loss surgery start experiencing any of these symptoms, they need to see a doctor right away,” said study author Sonal Singh, MD, of Wake Forest University School of Medicine in Winston-Salem, North Carolina. “Doctors should consider vitamin B1 deficiency and Wernicke encephalopathy when they see patients with these types of neurological complications after weight loss surgery. If treated promptly, the outlook is usually good.”

For treatment, patients are given vitamin B1 through an IV or injection. Of the 32 people, 13 made a full recovery. Many people continued to have problems, such as memory problems, weakness, or difficulty coordinating movement.

Singh said more studies are needed to determine how often the syndrome occurs after weight loss surgery. He said some doctors prescribe thiamine supplementation for their patients after weight loss surgery, but recommends that national standards be set for all doctors to follow.

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