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Subject:
DIET NEWS
Period: December 1, 2014 to December 15, 2014
Geographies:
Worldwide
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Comment & Opinion or Companies, Organizations or Consumers or Controversies & Disputes or Deals, M&A, JVs, Licensing or Earnings Release or Finance, Economics, Tax or Innovation & New Ideas or Legal, Legislation, Regulation, Policy or Market News or Marketing & Advertising or Other or People & Personalities or Press Release or Products & Brands or Research, Studies, Advice or Supply Chain or Trends
Contents
 

Restricting Eating Times Could Prevent Weight Gain, Bolster Weight Loss

Restricting eating to eight-to-12 hours in a day could help ward off high cholesterol, diabetes and obesity, a U.S. study in mice suggests. The problem has arisen among children and adults who eat more as they spend more time in artificial light, as well as watching television, and interacting with tablets and smartphones. The researchers subjected 400 normal and obese mice to various diets and restrictions on eating times. The benefits of time-restricted feeding were evident regardless of the weight of the mice, type of diet or length of the time restriction. Even when their diets were high in fat, fat and sucrose or just fructose, time-restricted mice gained less weight than their unrestricted counterparts.

"Time-Restricted Feeding Is a Preventative and Therapeutic Intervention against Diverse Nutritional Challenges. ", Cell Metabolism, December 02, 2014

Winter Depression Probably Caused By Reduced Sunlight And Vitamin D

Vitamin D deficiency has been linked with a host of health issues, but a new study finds a link with certain mental health problems, too. U.S. and Australian researchers reviewed more than 100 scientific articles, finding an association between vitamin D deficiency and seasonal depression, sometimes called seasonal affective disorder (SAD). People with SAD show the same symptoms year after year, beginning in the fall and continuing through winter. The researchers are convinced by their findings that reduced sunlight – which produces vitamin D in the body – during the winter months probably contributes to SAD. Low vitamin D levels reduce the brain chemicals serotonin and dopamine, which are linked to depression.

"Possible contributions of skin pigmentation and vitamin D in a polyfactorial model of seasonal affective disorder. ", Medical Hypotheses, December 02, 2014

Compound In Chinese Medicinal Plant Thwarts Obesity, Type 2 Diabetes In Mice

In a mouse study, Japanese researchers discovered that a compound present in a flowering plant used in Chinese medicine may inhibit development of metabolic disorders associated with obesity, diabetes and fatty liver disease. Iisoliquiritigenin from the plant glycyrrhiza uralensis (Gan Cao) did a good job of inhibiting production of a high-fat, diet-induced inflammation factor (IL-1beta) in fat tissue, compared with other inflammation inhibitors, in one of the groups of mice. The researchers said that their findings could lead to development of a new herbal medication for obesity-related diseases.

"Isoliquiritigenin is a potent inhibitor of NLRP3 inflammasome activation and diet-induced adipose tissue inflammation. ", Journal of Leukocyte Biology, December 01, 2014

Weight Watchers Veers Away From Celebrity Spokeswomen In Its New Ads

Weight Watchers is abandoning the celebrity endorsement approach to TV advertising, switching instead to commercials that feature actors snacking because they are happy, and also because they are sad, bored, stressed or guilty. The ads link human feelings with eating, acknowledging that losing weight is not easy and suggesting that Weight Watchers provides “help with the hard part” through an extensive support network. The commercials are meant to distinguish the company from its competitors and to be conversation starters among multiple household members who may be watching the same programming, according to their creators.

"Weight Watchers Serving Up Understanding to Those Who Eat Their Feelings", The New York Times, November 24, 2014

 
Research, Studies, Advice  

Carb Restriction More Important Than Fat Restriction In Weight Loss

The findings of a clinical study by U.S. researchers should be encouraging news for adherents of low-carb, high-fat/high protein diets like Atkins. While calories (2,500) and protein content (130 g) were kept the same, 16 participants with metabolic disorder were fed six three-week diets that gradually increased carb content while fat and saturated fat were reduced. Total saturated fat in the blood did not increase – it even dropped in most people -- despite being increased in the diet as carb intake dropped. The biomarker palmitoleic fatty acid, associated with unhealthy metabolism of carbs, dropped with low-carb intake. But it gradually increased as carbs were re-introduced. “Since more than half of Americans show some signs of carb intolerance, it makes more sense to focus on carb restriction than fat restriction," the researchers concluded.

"Effects of Step-Wise Increases in Dietary Carbohydrate on Circulating Saturated Fatty Acids and Palmitoleic Acid in Adults with Metabolic Syndrome. ", PLoS ONE, December 05, 2014

Mediterranean Diet Linked To Longer Telomeres, Longer Life

A U.S. study shows that eating a Mediterranean diet (i.e., fruits, vegetables, nuts, olive oil, fish, etc.) might help extend a person’s lifespan by keeping chromosomes, particularly their telomeres, intact. Telomeres sit on the end of chromosomes like the plastic aglets at the end of shoelaces. With aging, telomeres fray and shorten, scrambling genetic codes. Researchers analyzed dietary data on 4,676 healthy middle-aged women who also had a blood test to measure telomere length. Results showed that greater adherence to the Mediterranean diet was significantly associated with longer telomeres. Each one point change in diet score corresponded on average to 1.5 years of telomere aging.

"Mediterranean diet and telomere length in Nurses' Health Study: population based cohort study. ", British Medical Journal, December 03, 2014

Aerated Drinks Increase Stomach Volume, Reduce Appetite

A small clinical trial conducted by British and Dutch researchers finds that aerated or foamy drinks decrease appetite enough to be useful as adietary tool. Participants included 20 healthy adult males aged 18 to 60. Magnetic resonance imaging (MRI) was used to measure volumes of foam, liquid and air layers in the stomachs of the participants. The researchers tested three beverages, each with 110 calories: skimmed-milk powder, xanthan gum and water and lemon syrup. The products were either non-aerated, aerated (foamy) stable, and aerated less stable. The researchers found that the foamy drinks significantly increased gastric volumes and reduced hunger.

"Aerated drinks increase gastric volume and reduce appetite as assessed by MRI: a randomized, balanced, crossover trial", The American Journal of Clinical Nutrition, December 03, 2014

Trans Fat Consumption Linked To Poor Performance On Memory Test

U.S. researchers who questioned 1,000 healthy adult men and postmenopausal women about their consumption of artificially produced trans fats found that men who consumed the most did noticeably worse on a word memory test. Trans fats are used by food companies to turn liquid oils into solids at room temperature and extend food shelf life. They are found in margarines, fast foods, baked goods, snack foods, frozen pizza, etc. Men under age 45 who ate more trans fats remembered 11 fewer words than adults who ate the least trans fat.

"Trans Fat Consumption is Linked to Diminished Memory in Working-aged Adults", News release, study presented at an American Heart Association meeting, November 18, 2014

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