Friday, August 03, 2012
"In simple terms, if 100 patients who are [white] and 100 patients who are [black] have the same age, stage of cancer, type of lung cancer and are treated the same way, there should not be differences in their survival just because they are of different races," Dr. Rajesh Sehgal, a medical oncologist at the Edwards Comprehensive Cancer Center in Huntington, W. Va., said in a news release from the American Association for Cancer Research.
"[Black] patients did have lesser median overall survival, but after compensating for all other factors that affect prognosis, such as age, stage and type of treatment, [black] race was not an independent prognostic factor for poor survival," added Sehgal, who is also an assistant professor of medicine at the Marshall University Joan C. Edwards School of Medicine.
The study also indicated patients of other races or ethnic groups -- including Asian and Hispanic patients -- had a slightly better disease prognosis when compared with African-American and white patients, indicating there may be biological differences in the tumors in these groups of people, the study authors said. Read more…
Monday, July 02, 2012
By William Faloon
Don't Overeat Beef
Excess consumption of red meat is linked to a number of age-related disorders, especially atherosclerosis. The author of the recent study linking carnosine deficiency to higher glycation rates in vegetarians concedes that red meatโ€s detrimental health effects may outweigh the anti-glycation benefits conferred by the carnosine that is naturally present in meat.
Health-conscious consumers often minimize their consumption of meat, thus depriving their bodies of carnosine. If carnosine is the missing link in explaining why vegetarians do not live that much longer than omnivores, then supplementation with 1000 mg a day of carnosine would appear to be at least as important as vitamin B12 for those on meat-restricted diets.
How We Protect You
The long-term goal of Life Extension research is to develop effective therapies to control aging, combat age-related disease, and eradicate death itself. A more immediate objective is to identify compounds that Foundation members can use today to live longer and healthier lives. Read more…
Wednesday, June 13, 2012
A higher daily intake of B vitamins may decrease lung cancer risk, according to a study conducted by researchers from the International Agency for Research on Cancer and published in the Journal of the American Medical Association.
Researchers followed 400,000 people from 10 European countries for eight years. At the end of the study period, they found that regardless of whether participants were smokers, non-smokers or former smokers, those with the highest blood levels of vitamin B6 and the amino acid methionine were 50 percent less likely to develop lung cancer than those with the lowest levels.
Because the study only examined a correlation, it did not prove that a higher intake of B vitamins was directly responsible for cancer risk. It is possible that both B vitamin levels and lower cancer risk are caused by some third factor, such as a healthy lifestyle.
"Although this study suggests a link between vitamin B levels in the blood and reduced risk of lung cancer, this doesn't prove that vitamin B can directly protect against the disease," said Joanna Owens of Cancer Research UK. "Vitamin B levels might be higher in people who eat a healthy diet, and this in itself can help reduce the risk of cancer. The most important way to prevent lung cancer is to stop smoking. No amount of vitamins can counteract the risks posed by smoking." Read more…
Tuesday, June 05, 2012
Experts are calling the findings a major advance in efforts to combat lung cancer deaths. By catching the cancer early, the tumors can be removed surgically -- hopefully before they've spread and become very difficult to cure.
"This is a momentous time in the history of public health research," said Dr. Otis Brawley, chief medical officer of the American Cancer Society. "The NLST [National Lung Screening Trial] is the best-designed and best-performed lung cancer screening study in history."
Yet the findings raise as many questions as they answer, said Dr. Harold Sox, a professor emeritus of medicine at Dartmouth Medical School who wrote an accompanying editorial to the study published in the June 30 issue of the New England Journal of Medicine. Read more…
Wednesday, May 23, 2012
Little known to the general public is the silent epidemic of non-alcoholic fatty liver disease or NAFLD, which afflicts up to 40% of all Americans.1 NAFLD particularly targets those who carry around excess weight. For the nearly 70% of Americans who are overweight or obese,2 that figure rises to a shocking 50-100%.3,4
Ominously, NAFLD sets the stage for a progression of lethal diseases that can include cancer, atherosclerosis, and diabetes.5,6 Risk of death from all causes skyrockets more than four-fold in NAFLD sufferers - and more than eight-fold for early cardiac death.7
Because of both physician and patient ignorance, most victims of NAFLD are entirely unaware they have it. Read more...
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