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Subject:
DIET NEWS
Period: July 1, 2013 to July 15, 2013
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
 

Artificially-Sweetened Drinks Can Be Harmful To Health, Too

Dieting Americans who are aware of the adverse health effects of sugar-sweetened beverages often turn to low- or no-cal sweeteners as the more healthy choice. But recent studies in humans have shown that artificial sweeteners are also associated with obesity, type 2 diabetes, metabolic syndrome and cardiovascular disease. One 12-ounce serving of an artificially-sweetened drink is enough to boost the risk of health problems. According to opinion article author Susan Swithers of Purdue University, “the current public health message to limit the intake of sugars needs to be expanded to limit intake of all sweeteners, not just sugars."

"The Dark Side of Artificial Sweeteners: Expert Reviews Negative Impact", Trends in Endocrinology & Metabolism, July 10, 2013

Vitamin D Is Essential To Maintain Calcium Levels, Reduce Bone Fracture Risk

The bone-aging process common among older adults speeds up when there is a deficiency of vitamin D in the blood, a new U.S. study finds. Vitamin D is required by the body to absorb calcium, which is needed to maintain bone health. Normally, the body synthesizes vitamin D in the skin following exposure to sunlight. But when vitamin D serum concentrations drop, the body starts removing calcium from bone to maintain normal calcium blood levels. That hampers the mineralization process required for the formation of new bone. The researchers suggest that physicians check vitamin D levels regularly and make sure they are at well-balanced levels to lower the risk of fractures as people age.

"Vitamin D Deficiency Induces Early Signs of Aging in Human Bone, Increasing the Risk of Fracture", Science Translational Medicine, July 10, 2013

Study Confirms Link Between Omega-3 Fatty Acids And Greater Risk Of Prostate Cancer

Scads of studies in recent years have proclaimed the health benefits of omega-3 polyunsaturated fatty acids – anti-inflammatory EPA, DHA and EHA from fatty fish and fish oils – so it comes as a shock to hear that they may actually have a darker side. In a second large study using data from 834 men diagnosed with prostate cancer, researchers at Fred Hutchinson Cancer Research Center have confirmed that high concentrations of omega-3s were linked to a 71 percent increased risk of high-grade cancer, a 44 percent increase in the risk of low-grade cancer and an overall 43 percent increase in risk for all prostate cancers. The researchers acknowledged they do not yet understand why.

"Serum Phospholipid Fatty Acids and Prostate Cancer Risk", American Journal of Epidemiology, July 10, 2013

Study Links Timing Of Introduction Of Solid Foods In Babies’ Diet To Risk Of Diabetes

Babies who start eating solid foods early (less than four months old) or late (at six months or later) are more likely to have type 1 diabetes, according to a U.S. study. The study found that early exposure to fruit and late exposure to rice/oats was linked to a greater risk of type 1 diabetes, while breastfeeding when wheat or barley were introduced seemed to be associated with a decreased risk. Incidence of type 1 diabetes is increasing globally, more rapidly among children younger than age 5, and scientists are focusing more closely on the role of diet. The researchers suggested further research among larger study samples.

"Infant Exposures and Development of Type 1 Diabetes Mellitus: The Diabetes Autoimmunity Study in the Young", JAMA Pediatrics, July 08, 2013

Foods Enriched With Soy Peptide May Someday Help Treat Metastatic Liver Cancer

Consuming the soy peptide lunasin alone, without supplemental anti-cancer drugs, at 20 mg per kg of body weight cut the number of metastatic liver tumors in mice by 94 percent. The positive results by a U.S. research team followed a similar study in which mice with liver cancer were given lunasin injections along with the chemotherapy drug oxaliplatin. That therapy resulted in a six-fold reduction in metastatic tumors to the liver. It would be difficult for humans to consume enough soy foods to reach the 20-30 mg/k levels, researchers said, but food companies could offer lunasin-enriched soy milk or yogurt. Lunasin-enriched flour is already available commercially.

"Potential of Lunasin Orally-Administered in Comparison to Intraperitoneal Injection to Inhibit Colon Cancer Metastasis", Journal of Cancer Therapy, July 08, 2013

Legal Dietary Supplement Enhances Athletic Performance By Six Percent

A U.S. study has determined that a nutrient found in shellfish and beets, and available as a powder or capsule supplement, can enhance athletic performance – legally – by as much as six percent. According to the researchers, who tested 16 college-age cyclists, betaine seems to contribute to creatine synthesis, which in turn improves strength, power and short-term performance. In the study, one week of betaine supplementation increased peak and mean anaerobic power by 5.5 percent compared to baseline measures.

"Effect of betaine supplementation on cycling sprint performance", Journal of the International Society of Sports Nutrition, July 05, 2013

When Deprived Of Sleep, People Tend To Eat More, Gain Weight

A U.S. laboratory study of 225 healthy, non-obese adults showed that later bedtimes and restricted sleep – about four hours a night – leads to more eating and greater weight gain (around 2 kg on average for the sleep-deprived sample). Participants in the study slept either four hours or eight hours a night. Meals were served at scheduled times, and food was always available in the laboratory kitchen for snacking. Caloric intake rose during sleep restriction, due to an increase in the number of meals consumed during the late-night period of additional wakefulness. Participants also tended to eat more fatty foods during late-night hours than at other times of day.

"Effects of Experimental Sleep Restriction on Weight Gain, Caloric Intake, and Meal Timing in Healthy Adults", SLEEP, June 28, 2013

 
Research, Studies, Advice  

Organic Milk Found To Be Low In Important Mineral Nutrients

Although organic farming has many benefits, one drawback is the fact that milk from cows on organic farms has lower concentrations of important nutrients, according to a Spanish study. The researchers compared the mineral and toxic elements of organic and conventional milk taken from 30 farms in northeast Spain. They found low levels of zinc, iodine and selenium in organic milk compared with conventional milk, mainly because organic farms do not routinely provide mineral diet supplements. The researchers suggested that organic farms provide animals with natural sources of iodine – an important element for children and pregnant women – such as seaweed.

"Essential trace and toxic element concentrations in organic and conventional milk in NW Spain", Food and Chemical Toxicology, July 04, 2013

Following Eight Lifestyle Recommendations Lowers Risk Of Aggressive Prostate Cancer

A U.S. study of 2,212 African American and white men (aged 40 to 70) newly diagnosed with prostate cancer has found that those who adhere to fewer than four of the eight lifestyle recommendations from the World Cancer Research Fund have a significantly higher risk of an aggressive form of the disease. The recommendations call for lower body mass index, more physical activity, eating foods of low caloric density, more fruits and non-starchy vegetables, lower levels of salt, more legumes and unrefined grains, and less red meat. Men who adhered to fewer than four of the eight recommendations had a 38 percent greater risk of aggressive tumors compared with men who followed four or more recommendations.

"Eating Right, Exercise May Help Prostate Cancer Patients Reduce Risk of Aggressive Tumors", News release, UCLA Jonsson Comprehensive Cancer Center, study to be published in the journal Nutrition and Cancer, June 29, 2013

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