http://www.sciencedaily.com/news/health_medicine/obesity/ Obesity research and facts. Read the latest medical research on obesity. Evaluate weight loss programs and choose a diet plan based on your health and lifestyle needs. en-us Tue, 24 Nov 2009 17:05:01 EST Tue, 24 Nov 2009 17:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/health_medicine/obesity/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091123125159.htm For colon and other cancers, African-Americans have lower survival rates than whites. There has been a belief that racial disparity in survival following surgery for colon cancer was related to a high BMI and co-morbidity. A new study shows there must be some other explanation. Tue, 24 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123125159.htm http://www.sciencedaily.com/releases/2009/11/091123114809.htm One out of five type 2 diabetics is morbidly obese -- approximately 100 pounds or more overweight -- a new study has found. Tue, 24 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123114809.htm http://www.sciencedaily.com/releases/2009/10/091006093343.htm Fat and muscle mass, as potentially determined by a person's ethnic background, may contribute to diabetes risk, according to a new study. Tue, 24 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/10/091006093343.htm http://www.sciencedaily.com/releases/2009/11/091124103617.htm Many people who are overweight or obese develop insulin resistance and type 2 diabetes at some stage in their lives. Scientists have now discovered that obese people have large amounts of the molecule CXCL5, produced by certain cells in fatty tissue. Tue, 24 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124103617.htm http://www.sciencedaily.com/releases/2009/11/091124093543.htm Researchers in Spain have confirmed that a diet rich in polyphenols and polyunsaturated fatty acids, patented as an LMN diet, helps boost the production of the brain's stem cells -- neurogenesis -- and strengthens their differentiation in different types of neuron cells. The research revealed that mice fed an LMN diet, when compared to those fed a control diet, have more cell proliferation in the two areas of the brain where neurogenesis is produced, the olfactory bulb and the hippocampus. Tue, 24 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124093543.htm http://www.sciencedaily.com/releases/2009/11/091124093539.htm The presence of increased body fat, and therefore higher levels of inflammatory substances in the blood, hinders the loss and maintenance of body weight, as shown by new research from Spain. Tue, 24 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124093539.htm http://www.sciencedaily.com/releases/2009/11/091124082759.htm A recent metobolomics study found that impaired peroxisomal oxidation of polyunsaturated fatty acids is associated with the progression of nonalcoholic fatty liver (NAFL) to nonalcoholic steatohepatitis (NASH). The study also found significantly higher plasma monounsaturated fatty acids in the blood of patients with NAFL and NASH. Tue, 24 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124082759.htm http://www.sciencedaily.com/releases/2009/11/091118143217.htm Researchers set out to address a question that has been challenging scientists for years: How does dietary restriction produce protective effects against aging and disease? And the reverse: how does overconsumption accelerate age-related disease? An answer lies in a worm study that examines how the two ends of the spectrum influence biochemical responses. Mon, 23 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091118143217.htm http://www.sciencedaily.com/releases/2009/11/091123193111.htm A first-of-its-kind consensus statement on diabetes surgery has just been published. A group of more than 50 scientific and medical experts agreed on a set of evidence-based guidelines and definitions that are meant to guide the use and study of gastrointestinal surgery to treat type 2 diabetes. Mon, 23 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123193111.htm http://www.sciencedaily.com/releases/2009/11/091123114803.htm Women who store fat on their waist in middle age are more than twice as likely to develop dementia when they get older, reveals a new study. Mon, 23 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123114803.htm http://www.sciencedaily.com/releases/2009/11/091123114638.htm Animal studies suggest that adding flaxseed oil to the diet could reduce the risk of osteoporosis in post-menopausal women and women with diabetes. Mon, 23 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123114638.htm http://www.sciencedaily.com/releases/2009/11/091102111843.htm Scientists have discovered a previously unknown fruit fly gene that controls the metabolism of fat. Larvae in which this gene is defective lose their entire fat reserves. Mammals carry a group of genes that are structurally very similar. The scientists therefore hope this research could lead to new medicines to fight obesity. Sun, 22 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102111843.htm http://www.sciencedaily.com/releases/2009/11/091119101207.htm A nutritionist in Nigeria says that malnutrition and iron deficiency in schoolchildren could be reduced in her country by baking up snail pie. She explains snail is not only cheaper and more readily available than beef but contains more protein. Fri, 20 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119101207.htm http://www.sciencedaily.com/releases/2009/11/091119141225.htm Scientists have discovered a direct link between insulin -- a hormone long associated with metabolism and metabolic disorders such as diabetes -- and core body temperature. While much research has been conducted on insulin since its discovery in the 1920s, this is the first time the hormone has been connected to the fundamental process of temperature regulation. Fri, 20 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119141225.htm http://www.sciencedaily.com/releases/2009/10/091028112613.htm Children can tolerate the stress of surgery when they are fed until two hours before surgery, because there was no difference regarding stomach residue and metabolic changes among patients that underwent surgery after fasting for short and long periods. There is no need for more than two hours of fasting before inguinoscrotal region surgery. Further studies in surgical patients should help to substantiate the safety and clinical benefits of this new concept. Fri, 20 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/10/091028112613.htm http://www.sciencedaily.com/releases/2009/11/091123094139.htm Researchers recently offered the sharpest-yet picture of how core biochemical pathways in skeletal muscle cells and fat cells are altered in people who suffer from insulin resistance -- a primary defect in type 2 diabetes and obesity. Taking a systems biology approach, the bioengineers and medical researchers also determined how a common class of drugs for treating insulin resistance -- TZDs -- alter these same core pathways. Fri, 20 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123094139.htm http://www.sciencedaily.com/releases/2009/11/091119111419.htm Many women don't quit smoking because they are afraid of gaining weight. That's because nicotine suppresses appetite and boosts a smoker's metabolism. But a new meta-analysis shows that women who quit smoking while receiving treatment for weight control are better able to control their weight gain and are more successful at quitting cigarettes. The finding disproves clinical guidelines that say trying to diet and quit smoking at the same time will sabotage efforts to ditch cigarettes. Thu, 19 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119111419.htm http://www.sciencedaily.com/releases/2009/11/091117102038.htm Rsearchers have identified a gene-diet interaction that appears to influence body weight and have replicated their findings in three independent studies. Men and women carrying the CC genotype demonstrated higher body mass index scores and a higher incidence of obesity, but only if they consumed a diet high in saturated fat. These associations were seen in the apolipoprotein A-II gene promoter. Thu, 19 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117102038.htm http://www.sciencedaily.com/releases/2009/11/091117161000.htm The percentage of overweight and obese adults in the United States has increased over the past two decades -- undermining efforts to reduce heart disease risk factors. Rising obesity is associated with the lower likelihood of having optimal blood pressure and blood sugar levels. Another study indicates that weight loss may correct structural heart damage in obese patients. Thu, 19 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117161000.htm http://www.sciencedaily.com/releases/2009/11/091119135638.htm Obese patients are no more likely to have post-operative complications than those of average weight when undergoing robotic surgery to remove uterine fibroids, according to a new study. Thu, 19 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119135638.htm http://www.sciencedaily.com/releases/2009/11/091118101354.htm Some children may suffer greater consequences of secondhand smoke exposure. In both toddlers and adolescents, obesity enhances the cardiovascular toxicities of secondhand smoke exposure. Toddlers had a four times greater risk of secondhand smoke exposure when compared to adolescents, despite having similar reported home exposures. Wed, 18 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091118101354.htm http://www.sciencedaily.com/releases/2009/11/091117161008.htm Eight percent of obese people misperceived their body size, believing they did not need to lose weight or that they could afford to gain weight. While those who misperceived their need for weight loss thought they were healthier than others their age, they had the same risk factors for heart disease as other obese patients. Those who misperceived their body size were less likely to exercise and see a physician than their counterparts who accurately perceived their body size. Wed, 18 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117161008.htm http://www.sciencedaily.com/releases/2009/11/091117161135.htm If you feel like you're in a losing battle with a triple-chocolate cake, a "mental budget" can help, according to a new study. Wed, 18 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117161135.htm http://www.sciencedaily.com/releases/2009/11/091119101215.htm Substances that provoke gastrointestinal symptoms in patients with eating disorders (ED) can impact negatively on their nutritional rehabilitation. An Australian research group has found that ingestion of fructose-sorbitol (F-S) provoked gastrointestinal symptoms in more than half of a group of female ED patients, and symptoms were more marked in the most underweight patients. Wed, 18 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119101215.htm http://www.sciencedaily.com/releases/2009/11/091112162836.htm Biologists offer new insights into a gene that plays a key role in modulating the body's circadian system and may also simultaneously modulate its metabolic system. Tue, 17 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091112162836.htm http://www.sciencedaily.com/releases/2009/11/091117124003.htm Daily physical exercise at school positively improves students' body composition and exercise capacity. This is especially true of students with a low socioeconomic status. Tue, 17 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117124003.htm http://www.sciencedaily.com/releases/2009/11/091109173400.htm Teenage women who are obese may be more than twice as likely to develop multiple sclerosis as adults compared to female teens who are not obese, according to a new study. Sun, 15 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109173400.htm http://www.sciencedaily.com/releases/2009/11/091113101423.htm Researchers have shown that fat collection in different body locations, such as around the heart and the aorta and within the liver, are associated with certain decreased heart functions. The study also found that measuring a person's body mass index does not reliably predict the amount of undesired fat in and around these vital organs. Fri, 13 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091113101423.htm http://www.sciencedaily.com/releases/2009/11/091112131844.htm Contrary to more conservative customs, exercising up to the end of pregnancy has no harmful effect on the weight or size of the fetus, according to a new study. This study also shows a positive relationship between the weight of sedentary mothers before pregnancy and the size of their babies. Fri, 13 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091112131844.htm http://www.sciencedaily.com/releases/2009/11/091109173612.htm Aside from aging itself, obesity appears to be the most powerful predictor of left atrial enlargement, upping one's risk of atrial fibrillation (the most common type of arrhythmia), stroke and death, according to a new article. Thu, 12 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109173612.htm http://www.sciencedaily.com/releases/2009/11/091109173614.htm After one year, a low-calorie, low-fat diet appears more beneficial to dieters' mood than a low-carbohydrate plan with the same number of calories, according to a new report. Thu, 12 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109173614.htm http://www.sciencedaily.com/releases/2009/10/091029211521.htm A diet high in fructose increases the risk of developing high blood pressure (hypertension), according to ne research. The findings suggest that cutting back on processed foods and beverages that contain high fructose corn syrup may help prevent hypertension. Wed, 11 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/10/091029211521.htm http://www.sciencedaily.com/releases/2009/11/091109174345.htm Intermittent access to foods rich in fat and sugar induces changes in the brain which are comparable to those observed in drug dependence, according to new research. The findings may explain how abstinence from these foods contributes to relapse eating among dieters as well as related eating disorders. Tue, 10 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109174345.htm http://www.sciencedaily.com/releases/2009/11/091109090427.htm A new study finds that women treated for breast cancer are at higher risk of cancer recurrence if they have dense breasts. The study's results indicate that breast cancer patients with dense breasts may benefit from additional therapies following surgery, such as radiation. Mon, 09 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109090427.htm http://www.sciencedaily.com/releases/2009/11/091109174302.htm A major, long-term study of pregnant mothers and their fetuses as well as infant children to determine just how profoundly environmental factors early in life influence the onset of diseases such as obesity and diabetes in later years. Mon, 09 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109174302.htm http://www.sciencedaily.com/releases/2009/11/091103121603.htm Researchers have new evidence to explain how saturated fatty acids, which soar in those who are obese, can lead the immune system to respond in ways that add up to chronic, low-grade inflammation. The new results could lead to treatments designed to curb that inflammatory state, and the insulin resistance and type 2 diabetes that come with it. Fri, 06 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103121603.htm http://www.sciencedaily.com/releases/2009/11/091103171911.htm Researchers have found laparoscopic adjustable gastric banding improves the health of morbidly obese adolescents. Fri, 06 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103171911.htm http://www.sciencedaily.com/releases/2009/11/091105132456.htm School-based physical education plays a key role in curbing obesity and improving fitness among adolescents from low-income communities, according to a new study. Fri, 06 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091105132456.htm http://www.sciencedaily.com/releases/2009/11/091104123025.htm Most weight-control strategies emphasize energy-restricted diets and increased physical activity -- and most are not effective over the long term. In a study of a "weight-acceptance" intervention, researchers found that there could be long-term beneficial effects on certain eating behaviors using a weight-acceptance intervention approach. Thu, 05 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104123025.htm http://www.sciencedaily.com/releases/2009/11/091103121605.htm If worms are any indication, all the sugar in your diet could spell much more than obesity and type 2 diabetes. Researchers say it might also be taking years off your life. Thu, 05 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103121605.htm http://www.sciencedaily.com/releases/2009/11/091104085230.htm According to a new study, eating a meal quickly, as compared to slowly, curtails the release of hormones in the gut that induce feelings of being full. The decreased release of these hormones, can often lead to overeating. Wed, 04 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104085230.htm http://www.sciencedaily.com/releases/2009/11/091104000929.htm Researchers report that cutting back on the consumption of processed and fried foods, which are high in toxins called Advanced Glycation End products (AGEs), can reduce inflammation and actually help restore the body's natural defenses regardless of age or health status. The benefits of a diet lower in glycotoxins are present even without changing caloric or nutrient intake. Wed, 04 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104000929.htm http://www.sciencedaily.com/releases/2009/11/091102172026.htm Researchers in the UK have identified a particular combination of health problems that can double the risk of heart attack and cause a three-fold increase in the risk of mortality. Wed, 04 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102172026.htm http://www.sciencedaily.com/releases/2009/11/091103102347.htm Eight-year-old children who drink full-fat milk every day have a lower BMI than those who seldom drink milk. This is not the case for children who often drink medium-fat or low-fat milk, according to new research from Sweden. Wed, 04 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103102347.htm http://www.sciencedaily.com/releases/2009/11/091103153754.htm Obese women are as much as 28 percent less likely to become pregnant and have a successful pregnancy, according to new research. Wed, 04 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103153754.htm http://www.sciencedaily.com/releases/2009/11/091104111729.htm The term energy gap was coined to estimate the change in energy balance (intake and expenditure) behaviors required to achieve and sustain reduced body weight outcomes in individuals and populations. In a new commentary, researchers more precisely clarify the concept of the energy gap (or energy gaps) and discuss how the concept can be properly used as a tool to help understand and address obesity. Wed, 04 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104111729.htm http://www.sciencedaily.com/releases/2009/11/091101132543.htm Individuals who consume a diet high in sodium or artificially sweetened drinks are more likely to experience a decline in kidney function, according to two new articles. Mon, 02 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091101132543.htm http://www.sciencedaily.com/releases/2009/10/091031152428.htm Dialysis patients with low body fat are at increased risk of death -- even compared to patients at the highest level of body fat percentage, according to new research. Mon, 02 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/10/091031152428.htm