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The new Dietary Guidelines released by the US Government focus on more exercise and lower calorie consumption. With regards to exercise, the recommendation is 30 minutes of exercise for adults, 60 minutes for children and 60-90 minutes for adults who want to lose or maintain weight. With respect to diet, people need to focus on reducing calories, not just carbohydrates. A study by the American Cancer society reported that a diet high in red or processed meats increased the risk of developing colorectal cancer. However, they also claim that smoking, obesity and lack of exercise have stronger links to colon cancer than high red meat consumption. Although recent research indicates a diet high in fruit and vegetables does not reduce the risk of breast cancer, it is still recommended as it may benefit people with a high risk of the cancer or it may be more beneficial during adolescence when breasts are forming. High blood sugar levels associated with diabetes may increase the risk of some cancers such as digestive tract cancer. Studies report that diabetics with the highest blood sugar levels had the highest risk of becoming a victim of pancreatic cancer, liver cancer, esophageal cancer or colon cancer. Another study claims that the hormone-suppressing drugs used to fight prostate cancer may increase men's risk of bone fractures which may be more debilitating than the cancer. Researchers want physicians to supplement cancer drugs with medication to prevent bone loss. Also, elderly patients with early prostate cancer may be best off receiving no treatment for the cancer as they are at an age where they are more likely to die from other causes than the slow progressing cancer. By subjecting them to cancer treatment, they may develop weakened bones and the resulting fractures could be severely debilitating or even life threatening.
Source: summary of medical news story as reported by Intelihealth
About: New Dietary Guidelines support numerous research results
Date: 14 January 2005
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