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Weight Loss Studies

Written by Author on August 31st, 2009

More than half of adult Americans are overweight or obese and in need of nutritional help or information about diet programs. Obesity is associated with increased risk for many physical and psychological conditions, including cardiovascular disease, diabetes, cancer, and depression. Adults of all ages spend considerable time at work, making worksites ideal locations for reaching this population. Worksites provide access to 65% of adults in settings where people consume one or more meals daily. In addition, many worksites are capable of supporting employees in their efforts to achieve adequate levels of physical activity. Websites such as diets reporter reviews many diet programs such as Fat Loss for Idiots and can be very helpful.

A systematic review of published studies, conducted on behalf of the Task Force on Community Preventive Services in 2003-4, found that interventions in the worksite that combine nutrition and physical activity are effective in helping employees lose weight and keep it off in the short term. Based on the review, the Task Force recommends use of these interventions to help employees control overweight and obesity.

Background of the interventions:

* These interventions used various combinations of activities and support, such as didactic nutrition education; prescriptions for aerobic/strength training exercise; training in behavioral techniques; and providing self-help materials, specific dietary prescriptions, and group or supervised exercise sessions

* All interventions were multicomponent (i.e., they included more than one activity)

* Effectiveness of the interventions was defined as an average weight loss of at least 4 pounds, measured 6 months or longer after the start of the intervention

Findings from the systematic review

* In all 7 studies reviewed1, participants lost weight: on average, people lost between 4 and 26 pounds

* Results of studies with follow-up times longer than 6 months were generally less positive, suggesting that weight regain may be common

* Studies that used physical activity, nutrition, or behavioral interventions alone did not produce such clear results; the evidence was insufficient to determine whether or not any of these interventions alone was effective in controlling overweight or obesity

Disclaimer: Nothing on this website constitutes, or is meant to constitute, medical advice of any kind. If you require medical advice in relation to any weight, diet, nutrition or any health related matter you should consult an appropriate professional.

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