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The virtual coach was beneficial in maintaining activity level. The long-term benefits and additional applications of this technology warrant further study. These are the conclusion of a randomized controlled trial on 70 people testing if a virtual coach would increase activity levels, via step count, in overweight or obese individuals beyond the effect observed using a pedometer and website alone.
Journal of Medical Internet Research - JMIR (Dietetics and Nutrition) - Fri, 27 January 2012
http://www.jmir.org
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Primary care providers have high expectations for how online weight-loss programs should deliver services to patients and fit into the clinical workflow. Efforts to integrate online weight-loss programs into the primary care setting should address efficacy and safety of online weight-loss programs in clinic-based populations.
Journal of Medical Internet Research - JMIR (Dietetics and Nutrition) - Tue, 24 January 2012
http://www.jmir.org
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The U.S. Food and Drug Administration and the Federal Trade Commission (FTC) today issued seven Warning Letters to companies marketing over-the counter (OTC) HCG products that are labeled as “homeopathic” for weight loss. The labeling for the “homeopathic” HCG products states that each product should be taken in conjunction with a very low calorie diet. There is no substantial evidence HCG increases weight loss beyond that resulting from the recommended caloric restriction. Consumers on a very low calorie diet are at increased risk for side effects including gallstone formation, electrolyte imbalance, and heart arrhythmias. Human chorionic gonadotropin (HCG) is a hormone produced by the human placenta and found in the urine of pregnant women. HCG is FDA-approved as an injectable prescription drug for the treatment of some cases of female infertility and other medical conditions.
Food and Drug Administration (Dietetics and Nutrition) - Tue, 13 December 2011
http://www.fda.gov
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At the request of the European Commission, the European Food Safety Authority (EFSA) has published a statement on bisphenol A (BPA) in response to September 2011 reports by the French Agency for Food,Environmental and OccupationalHealth and Safety.
European Food Safety Authority (Dietetics and Nutrition) - Tue, 6 December 2011
http://www.efsa.europa.eu/
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Trials published up to now on the comparison between low-carbohydrate and low-fat diet have considered short-term results, so now, in the USA, the results from a 2-year trial are published, where 307 obese adults (average BMI 36 kg/ m2) have been randomized to a low-carbohydrate diet with no fat restriction or to a low-fat diet (about 30% of calories derived from fats). All participants have received some behavioural instructions, both for weight self-control and for physical exercise.
MedNews (Dietetics and Nutrition) - Mon, 31 October 2011
http://mn.medsurfnews.com/
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People who've had gastric bypass surgery might make healthier eating choices than those who opt for the weight loss procedure known as gastric banding, say UK researchers who found bypass patients less tempted by sweets and other fattening foods.
Medline Plus (Dietetics and Nutrition) - Tue, 18 October 2011
http://www.nlm.nih.gov/medlineplus
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Obesity has become a problem in every state, according to data analyzed by the Centers for Disease Control and Prevention. No state reported that less than 20 percent of adults were obese in 2010, which means that no state met the national Healthy People 2010 goal to lower obesity prevalence to 15 percent within the past decade, CDC researchers say.
Centers for Disease Control and Prevention (CDC) (Dietetics and Nutrition) - Mon, 25 July 2011
http://www.cdc.gov/
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Americans who eat a diet high in sodium and low in potassium have a 50 percent increased risk of death from any cause, and about twice the risk of death from heart attacks, according to a study published today in the Archives of Internal Medicine. The study was conducted by researchers at the Centers for Disease Control and Prevention, Emory University and Harvard University.
Centers for Disease Control and Prevention (CDC) (Dietetics and Nutrition) - Mon, 18 July 2011
http://www.cdc.gov/
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Managing sleep and stress levels can help in the battle against obesity, according to scientists in the US. A report, published in the International Journal of Obesity, showed that lower stress levels also predicted greater weight loss: people getting too little or too much sleep were less likely to lose weight in a six month study of 472 obese people.
BBC News (Dietetics and Nutrition) - Mon, 4 April 2011
http://news.bbc.co.uk
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Given that the potential role of vitamin D in cancer prevention has been widely touted, many people were surprised that cancer-related considerations didn't figure prominently in the new Dietary Reference Intakes for vitamin D established by the Institute of Medicine (IOM). An IOM committee on which we served, charged with determining the population needs for vitamin D in North America, reviewed the evidence linking vitamin D with both skeletal and nonskeletal health outcomes. The committee concluded that vitamin D plays an important role in bone health and that the evidence provides a sound basis for determining the population's needs. For outcomes beyond bone health, however, including cancer, cardiovascular disease, diabetes, and autoimmune disorders, the evidence was found to be inconsistent and inconclusive as to causality.
New England Journal of Medicine (Dietetics and Nutrition) - Mon, 28 March 2011
http://www.nejm.org