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Page 15 of 189
Nutrition
Vitamins, minerals, supplements, herbs and diet: the research on how what we eat shapes our health.
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Food
Red meat, processed meat linked to pancreatic cancer
A meta-analysis linked 120 grams of red meat a day to 13 percent higher pancreatic cancer risk overall and 29 percent in men, with no increase in women, while 50 grams of processed meat daily tracked with 19 percent higher risk in both sexes.
Food
High fructose corn syrup boosts cardiovascular risk - updated
A trial in the American Journal of Clinical Nutrition gave adults aged 18 to 40 drinks supplying 0, 10, 17.5 or 25 percent of daily calories as high fructose corn syrup, and found triglycerides, LDL cholesterol and uric acid rose in a linear dose-response pattern.
Diet
Olive oil lowers diabetes mellitus risk
Among nearly 145,000 women followed for 22 years in the Nurses' Health Studies, eating more than a tablespoon of olive oil a day was associated with about 10% lower risk of diabetes. Substituting 8 grams of olive oil for mayonnaise cut risk 15%; for butter, 8%.
Food
Sugar sweetened beverages boost diabetes mellitus risk
Among 93 Japanese adults with impaired glucose tolerance, 21.5% developed diabetes over 3.6 years, and those drinking sugar-sweetened beverages faced more than triple the risk of non-drinkers. Intake also tracked with higher body mass index and HOMA-R values.
Food
Fried food boosts risk of heart failure
Luc Djousse and colleagues analyzed 15,362 male doctors in the Physicians' Health Study and found eating fried food seven or more times a week tracked with a 107% higher risk of heart failure than eating it less than once a week, with risk rising by frequency.
Food
Total trans fat ban would save thousands of lives in UK in a year
Pearson-Stuttard and colleagues modelled UK trans fat policy in Circulation and concluded a total ban would save thousands of lives a year. The piece notes the FDA's three-year ban in processed foods and questions whether substitutes such as palm oil are healthier.
Food
HFCS boosts cardiovascular disease risk
In a trial of 85 adults drinking beverages sweetened with 0%, 10%, 17.5% or 25% high-fructose corn syrup, postprandial triglycerides, fasting LDL cholesterol and 24-hour uric acid all rose in a dose-dependent way, risk factors the authors tie to cardiovascular disease.
Food
Eating soy foods may boost breast cancer?
Helferich's team found dietary genistein and soy protein isolate stimulated the growth of estrogen-receptor-positive MCF-7 breast tumors in athymic mice. Tumors regressed fully when a 700 ppm genistein diet stopped, but not at lower doses, and those non-regressing tumors carried more HER2.
Vitamins
Vitamin D deficiency linked to worse hepatitis B outcomes
Among 426 chronic hepatitis B patients in Hong Kong followed about 159 months, 82% were vitamin D deficient at baseline, and those deficient were 90% more likely to develop liver cancer or cirrhosis complications or to die. Vitamin D was not tied to cirrhosis or viral load.
Food
Moderate chocolate intake may cut risk of diabetes mellitus
Following 7,802 people in the Atherosclerosis Risk in Communities cohort for 13.3 years, James Greenberg found eating chocolate 2 to 6 times a week tracked with 34% less diabetes. A serving a day or more showed no such link.
Food
Drinking coffee may lower melanoma risk
Among 447,357 cancer-free adults followed a median 10.5 years, those drinking four or more cups of coffee a day were 20% less likely to be diagnosed with malignant melanoma. The link held for caffeinated but not decaffeinated coffee, and the study was not a trial.
Food
Sugar, refined grain boost depression risk
Among 87,618 postmenopausal women in the Women's Health Initiative, those eating the most added sugar had 23% higher odds of incident depression, and refined grain intake tracked the same way. Lactose, fiber, whole fruit and vegetables were linked to significantly lower odds.
Supplements
DHA helps sickle cell disease
Mice with sickle cell disease fed a diet with 3 percent DHA for eight weeks had less stiff, more deformable red blood cells and 40 percent fewer irreversibly sickled cells. The authors suggest DHA may have potential as a treatment for people with the disease.
Food
Coffee drinking may boost prostate cancer risk - study
Tracking Finnish male smokers in the ATBC study for nearly 30 years, U.S. researchers found non-coffee drinkers had 19 percent lower prostate cancer risk than men drinking up to a cup a day, while four or more cups a day went with 16 percent higher risk.
Food
Orange juice, grapefruit up melanoma risk?
Among more than 100,000 medical professionals, those drinking orange juice daily were 25 percent more likely to be diagnosed with melanoma, and those drinking grapefruit juice three times a week 41 percent more likely. The study shows an association, not cause.
Supplements
Maca root powder helps antidepressant-induced sexual dysfunction
In a 12-week trial of 45 women whose depression had remitted but who still had antidepressant-induced sexual dysfunction, 3 grams of maca root powder a day improved scores on two sexual function scales. The effect was stronger in postmenopausal than premenopausal women.
Food
Eating chocolate may prevent diabetes mellitus?
Following 18,235 men in the Physicians' Health Study for a mean 9.2 years, researchers found those eating 1-3, 4, or 8 or more servings of chocolate a month at 7%, 14% and 17% lower diabetes risk than non-eaters. The link was strongest in younger, normal-weight men.
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