A Mexican case-control study of 1,000 breast cancer cases and 1,074 controls found women with 25(OH)D above 30 ng/mL were 47 percent less likely to have breast cancer than those below 20 ng/mL, with a 40 percent reduction before menopause and 63 percent after.
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Cancer
Diet, lifestyle and cancer risk, prevention and treatment.
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Cancer
New Study Shows This Potent Vitamin Helps Prevent Breast Cancer
Researchers report that calcitriol, the active form of vitamin D, curbs growth of estrogen receptor positive breast cancer cells by arresting replication, promoting apoptosis and blocking invasion and metastasis, and by suppressing COX-2 and aromatase while raising the tumor suppressor 15-PGDH.
Cancer
Vitamin D may help low-risk prostate cancer
Of 44 men with low-risk prostate cancer who took daily vitamin D3 for a year, 55 percent had fewer positive biopsy cores or a lower Gleason score, 34 percent worsened, and PSA did not change significantly. No adverse effects were reported.
Cancer
High fructose corn syrup may up pancreatic cancer risk?
A meta-analysis of ten cohort studies in Annals of Oncology, led by D. Aune, linked each extra 25 grams of fructose a day to a 22 percent higher risk of pancreatic cancer. Glycemic index, glycemic load, total carbohydrate and sucrose showed no association.
Cancer
Weight loss may help premenopausal women cut breast cancer risk
Drawing on two large prevention trials, a Cancer Prevention Research study found obese premenopausal women were 70 percent, and overweight women 59 percent, more likely to develop invasive breast cancer than women with a normal BMI. No such link appeared after menopause.
Cancer
This humble vitamin cuts lethal prostate cancer risk by 57%
In a Journal of the National Cancer Institute study, Edward Giovannucci's team found men in the highest quartile of plasma 25(OH)D were 57 percent less likely to suffer lethal prostate cancer than those in the lowest. The levels were not correlated with prostate cancer overall.
Cancer
Vitamin D prevents ER+ breast cancer - new study
Stanford researchers writing in Steroids describe how calcitriol, the active form of vitamin D, may curb estrogen receptor-positive breast cancer: it suppresses COX-2 and aromatase, raises the tumor suppressor 15-PGDH and down-regulates ER-alpha, weakening estrogen signaling.
Cancer
Sugar-sweetened beverages linked to high risk for pancreatic cancer
Pooling 14 cohort studies covering 853,894 people, researchers found those drinking more than 8 or 9 oz of sugar-sweetened drinks daily were 19 percent more likely to develop pancreatic cancer. They call the link suggestive and modest; tea showed no association.
Cancer
Blacks more likely to die from cancer due to vitmain D deficiency
A study in Dermato-Endocrinology attributes cancer mortality among African-Americans as much as 30 percent higher than others to vitamin D deficiency, after adjusting for socioeconomic status, stage at diagnosis and treatment. Darker skin needs about six times longer in the sun.
Cancer
May Alleviate Cancer Without Chemo, But it's Forbidden
Police sergeant Rick Schiff says his young daughter's brain cancer was cured by Stanislaw Burzynski's non-toxic treatment but that she died from the effects of chemotherapy. Mercola argues patients can reach such treatments only after conventional therapy has done its damage.
Cancer
Low fat diet may help prostate cancer patients
In 50 mice carrying prostate cancer grafts, a low-fat diet and an IGF-1R blocking antibody each slowed tumor growth on their own. Together they cut tumor cell proliferation and ERK activation, and those mice also had lower serum insulin than mice on the high-fat diet.
Cancer
Green tea fights ovarian cancer
Reviewing 22 reports for Gynecologic Oncology, Dominique Trudela's team found green tea components induced apoptosis in ovarian cancer cells and could potentiate cisplatin, with smaller tumours in mice. They call for clinical evaluation rather than claiming proven benefit.
Cancer
Cancer News: Fructose intake may up pancreatic cancer risk
A meta-analysis of 13 studies, reviewed in Annals of Oncology, found each additional 25 grams of fructose a day was associated with 22 percent higher risk of pancreatic cancer, while starch, sucrose, glycemic index and glycemic load showed no association with the disease.
Vitamins
Vitamin D may indeed help fight cancer
A report in Mutation Research argues vitamin D may guard against cancer by protecting DNA from free-radical damage and regulating cell growth. The authors cite a trial where supplements cut a marker of oxidative damage in colorectal cells, plus animal and cell-culture work.
Chemical
You barely notice it in processed food, but it can boost your cancer risk
Sycheva and colleagues fed mice micro- and nano-sized titanium dioxide for seven days and reported DNA damage in bone marrow and liver cells along with tissue damage elsewhere. They concluded the particles, common in food and cosmetics, are a potential health hazard.
Supplements
Green tea extract fights cancer, but this supplement makes it more effective
In mice, brewed green tea plus a diet with 0.4% quercetin raised total and non-methylated EGCG two- to threefold in lung and kidney. Quercetin also quadrupled EGCG uptake in lung cancer cells and cut the methylation that would otherwise deactivate the tea's anticancer compounds.
Cancer
What type of diet may help prevent breast cancer?
In the Italian arm of the EPIC study, women eating a high glycemic load diet were 45% more likely to be diagnosed with breast cancer than those on a low glycemic load diet. The authors suggest heavy carbohydrate loads raise insulin-like growth factor, but studies are not all consistent.
Cancer
Good cancer news - eggplant extract fights skin cancer!
Citing Natural News, the piece promotes BEC5, a cream of eggplant phytonutrients sold online, as an alternative to surgery and chemotherapy for basal cell and squamous cell skin cancers. Its makers do not claim it cures melanoma, though one person said a homemade version did.
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