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Educate your patients on the importance of 3-A-Day of Dairy: Here's
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Developed in conjunction with The American Academy of Family
Physicians, The American Academy of Pediatrics, The American Dietetic
Association, and The National Medical Association.
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Dairy Council Digest Archives
Dairy Foods' Role in Achieving a Healthy Weight
Summary
Emerging scientific research indicates that increasing calcium, and particularly calcium-rich dairy foods, may help reduce the nation’s obesity epidemic. Studies demonstrate that increasing calcium and dairy food intake helps prevent body weight/fat gain in the absence of caloric restriction and accelerates weight/fat loss secondary to caloric restriction. Interestingly, dairy food sources of calcium seem to exert substantially greater effects in attenuating body weight/fat gain and accelerating weight/fat loss than calcium alone.
Increasing calcium, and particularly dairy products, has been shown to have a beneficial effect on body weight/fat loss and prevention of weight gain in children and adults, Caucasians and African Americans, and males and females. In the CARDIA (Coronary Artery Risk Development in Young Adults) study, a population-based prospective study of over 3,000 young adults followed for10 years, overweight participants who consumed the most dairy products were at lower risk of gaining weight and developing insulin resistance syndrome than those who consumed the least dairy products.
Secondary analyses of data from observational and clinical studies originally designed to evaluate the effects of calcium on endpoints other than body weight (e.g., bone health, blood pressure) indicate a negative association between calcium/dairy food intake and body weight for all age groups.
In the first prospective clinical trial conducted with intentional weight and fat endpoints, body weight and body fat loss were accelerated in obese adults who consumed a calorie-reduced diet containing three to four servings of dairy foods a day (i.e.,1,200-1,300mg calcium/day) compared to those who consumed an equivalent amount of supplemental calcium, or a low calcium diet (i.e., 0-1 servings/day of dairy foods and 400-500mg calcium/ day). An unexpected finding was the marked increase in fat lost from the trunk (abdominal) region in participants on the high calcium and, to a greater extent, high dairy food diet. Obesity in the trunk area is associated with greater health risks (e.g., cardiovascular disease, diabetes) than an equal amount of fat deposited in the lower body.
Experimental animal and in vitro studies in human adipocytes suggest a potential mechanism whereby dietary calcium regulates energy metabolism. Basically, high calcium diets, by suppressing 1,25-dihydroxyvitamin D and parathyroid hormone, reduce intracellular calcium in human fat cells, which in turn increases lipolysis (fat breakdown) and reduces lipogenesis (fat synthesis), thereby decreasing adiposity. Researchers are investigating additional dairy food components that may play a role in body weight regulation.
A growing body of research suggests that consuming at least three servings a day of milk, cheese, or yogurt within an appropriate energy level may play a role in achieving and maintaining a healthy weight. However, additional research is needed to better understand the link between dairy foods and weight management.
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