Among 72,829 Chinese women who never smoked, followed about 12 years, those meeting dietary guidelines for tocopherol were 22 percent less likely to develop lung cancer, and 47 percent less likely among those exposed to secondhand smoke. Vitamin E supplement users had 33 percent more risk.
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Nutrition
Vitamins, minerals, supplements, herbs and diet: the research on how what we eat shapes our health.
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Supplements
Chinese herbal medicine fights breast cancer
A Journal of Ethnopharmacology study found the Chinese herbal decoction Shu-Gan-Liang-Xue inhibits aromatase and steroid sulfatase, two estrogen synthesis enzymes, in ER-positive breast cancer cell lines and in mice with ovaries removed, suggesting a possible adjunct therapy.
Food
Breast Cancer Linked to Eating Red Meat
Premenopausal women in the Nurses' Health Study II who ate the most red meat were 22% more likely to develop breast cancer than those eating the least, with each extra daily serving tied to a 13% higher risk.
Supplements
Public Notification: La Jiao Shou Shen Contains Hidden Drug Ingredient
FDA laboratory analysis found the weight-loss product contains sibutramine, pulled from the market in 2010, and phenolphthalein, which studies indicate carries a cancer risk. The agency advises consumers not to buy or use it.
Food
Five Foods That Are Designed So You Can't Resist Them
Michael Moss and food industry researchers describe how snacks are engineered to be hard to resist: devices that simulate chewing to find a chip's perfect break point, fat that adds crunch and speeds eating, and foods that now need about 12 chews instead of 15 to 30.
Food
Could fish oil lower risk of type 2 diabetes mellitus
Among 2,212 Finnish men followed an average of 19.3 years, those in the highest quartile of serum EPA, DPA and DHA were 33 percent less likely to develop type 2 diabetes. Dietary fish, ALA and hair mercury showed no association, the Diabetes Care study reports.
Herbs
Ayurvedic medicinal plants for Alzheimer's disease
A review in BioMed Central counts over a hundred potential Alzheimer's treatments derived from Ayurvedic medicine, among them ashwagandha, turmeric, brahmi, gotu kola and jatamansi, whose alkaloids, flavonoids and polyphenols act on inflammation, amyloid and cholinesterase. Many are still in trials.
Supplements
Taurine reduces diabetic neuropathy in diabetics
In a rat study in Food Chemistry and Toxicology, diabetic rats drinking 2% taurine for eight weeks showed lower plasma MDA and less neuroinflammation, though taurine did not change body weight or blood glucose. The authors conclude it eased oxidative stress in the diabetic rat brain.
Supplements
Dietary supplements that suppress appetite, lead to weight loss
A Victoria University review of plant-derived appetite suppressants, among them green tea, Garcinia cambogia and Coleus forskohlii, found many extracts show appetite control and weight-loss effects, but the authors say the size of the effect, dosing, mechanisms and long-term safety remain undefined.
Food
Nine foods good for longevity
Mexican outlet El Universal lists blueberries, salmon, yogurt, sweet potatoes, green tea, spinach, tomatoes, dark chocolate and oats, crediting them with everything from antioxidants and omega-3s to the soluble fiber in oats, which it says lowers cholesterol and helps control blood sugar.
Supplements
Public Notification: B-Perfect Contains Hidden Drug Ingredient
FDA advises consumers not to buy or use B-Perfect, sold online for weight loss, after lab analysis found sibutramine, withdrawn in 2010 because it can substantially raise blood pressure and pulse, plus phenolphthalein, which studies indicate carries a cancer-causing risk.
Supplements
Public Notification: Zhen GongFu Contains Hidden Drug Ingredient
FDA warns consumers away from Zhen GongFu, a sexual enhancement product sold online and in some retail stores, after laboratory analysis found undeclared sildenafil. The hidden drug can interact with nitrates and lower blood pressure to dangerous levels.
Food
Bitter gourd may prevent obesity associated fatty liver
Mice fed a high-fat diet plus 5% freeze-dried bitter gourd powder for 16 weeks gained less weight and showed lower interleukin-6 and lower liver triglyceride and cholesterol than mice on the high-fat diet alone. Researchers say bitter gourd curbed inflammation and lipid buildup.
Vitamins
Prenatal/maternal folate supplementation prevents childhood brain tumors
Children born to mothers in the highest tertile of dietary folate intake during pregnancy were 30% less likely to be diagnosed with a brain tumour, an Australian case-control study found. Folic acid supplements were tied to 33% lower risk; B6 and B12 showed no association.
Supplements
Turmeric, curcumin fights Alzheimer's disease
The evidence assembled here suggests rather than proves a benefit: Alzheimer's incidence runs 4.4 times lower in Southeast Asia where turmeric is a common spice, and curcumin cut plaque, oxidative damage and inflammation in mice and in cell cultures.
Nutrition
Find Out What Foods Are in Season in June
Nicole D'Alessandro describes an Ohio-grown themed dinner party and rounds up guides to what is in season in June, from national and regional lists to Epicurious's interactive seasonal ingredient map, for shoppers who cannot tell from supermarket shelves.
Supplements
Compound from Chinese medicine fights cervical cancer
Acetylshikonin, isolated from the Chinese medicinal herb Lithospermum erythrorhizon, curbed growth of human cervical cancer Siha cells in a dose-dependent way, blocking the S to G2/M transition and triggering apoptosis. The authors call it a promising natural lead.
Herbs
Green tea lowers blood pressure, cholesterol
Pooling 20 randomized trials of 1,536 participants, researchers found green tea lowered systolic blood pressure by 1.94 mmHg, total cholesterol by 0.13 mmol/L and LDL by 0.19 mmol/L, with no adverse events reported. They call the blood pressure effect small.
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