High Meat Consumption Linked to Heightened Cancer Risk

High Meat Consumption Linked to Heightened Cancer Risk on Yahoo! Health
2007.12.11
"... "This is the largest study to look at the effect of red and processed meat on multiple cancer sites, including rarer cancers, such as laryngeal and liver cancer."...For the study, red meats included beef, pork and lamb. Processed meats included bacon, red-meat sausage, poultry sausage, luncheon meats, cold cuts, ham, regular hot dogs and low-fat hot dogs...elevated risks for colorectal and lung cancer with high consumption of both meat types along with borderline higher risks for advanced prostate cancer. High red meat intake was also associated with increased risk of esophageal and liver and a borderline increased risk for laryngeal cancer. And high processed meat consumption also was associated with borderline increased risk for bladder cancer and myeloma, a kind of bone cancer. In addition, both red meat and processed meat consumption were associated with increased pancreatic cancer risk in men, but not women...Meats are a source of saturated fat and iron, both of which have been linked to cancer, and also the source of several compounds that are known to affect cell development, they added...Cooking at high temperatures might also contribute to cancer risk, Cross added."Heterocyclic amines and polycyclic aromatic hydrocarbons are formed when meats are cooked well-done by high temperature cooking methods, such as barbecuing,"..."

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Iron deficiency lowers women's mental abilities

Treating low iron boosts women's mental abilities Reuters/Yahoo!News 3/23/07 "Iron deficiency, even to a moderate degree, can hinder women's memory and learning -- but iron supplements can turn those problems around...researchers at Penn State University found that women with even moderate iron deficiency -- not severe enough to diagnose full-blown anemia -- scored more poorly on tests of memory, attention and learning than women with sufficient iron levels. Those with anemia had the worst scores...After 4 months on iron supplements, however, women who'd been deficient in the mineral showed an improvement in their mental acuity. Those who had a significant rise in an iron-storing protein called ferritin also improved their test performance by 5 to 7 times...the effects of iron deficiency are not limited to the developing brain. Moreover, they challenge the traditional belief that iron deficiency causes no apparent problems until it progresses to full-blown anemia...The recommended iron intake for women ages 19 to 50 is 18 milligrams (mg) per day, and 27 mg during pregnancy."

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