维生素a 、c 、和e.ppt

Nutritional Disease Nutrition as a Causative Factor New Diet and Lifestyle Recommendations Issued by the American Heart Association ... the 2006 AHA Diet and Lifestyle Recommendations are one component of a comprehensive plan to achieve specific goals for cardiovascular risk reduction... The AHA recommendations Minimize intake of food and drinks with added sugar; Choose and prepare foods with little or no salt; The AHA recommendations Consume alcohol only in moderation; Limit saturated fat intake to 7% of energy, trans fat to 1% of energy, and cholesterol to 300 mg/day. The AHA recommendations Being physically active; Avoiding use of and exposure to tobacco products. The AHA recommendations Eat a diet rich in fruit and vegetables; Choose whole-grain, high-fiber foods; Eat fish, especially oily fish, at least 2 times a week; Sugar Sugar is also implicated as a causative factor in type 2 diabetes, osteoporosis, kidney disease, liver disease, obesity, and depression, and is important in the growth of cancerous tumors。 Bad Fat The goals for saturated fat and trans fat represent major changes in the dietary recommendations. Bad Fat To achieve these goals, the guidelines suggest reducing intake of animal fats by decreasing consumption of meat and dairy products and by cutting back on commercially baked and fried foods, such as crackers, French fries, cakes, pies, bread, and cookies. Trans fats cause significant and serious lowering of HDL (good) cholesterol and a significant and serious increase in LDL (bad) cholesterol; make the arteries more rigid; cause major clogging of arteries; Trans fats cause insulin resistance; cause or contribute to type 2 diabetes; and cause or contribute to other serious health problems. High trans fat diet the ability of the blood vessels to dilate was 29 percent lower in people who ate the high trans fat diet compared to those on the saturated fat diet. High trans fat diet Blood levels of HDL cholesterol were 21 perce