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Video: Diet Portfolio Is Good For The Heart And Blood Vessels
Diet Portfolio is good for the heart and blood vessels
The Portfolio Diet, specially formulated to lower cholesterol levels, can prevent cardiovascular disease and inflammation, Canadian scientists have found.
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Researchers at the University of Toronto found that the Plant-Based Portfolio Diet, previously shown to lower cholesterol levels, reduces the effects of other cardiovascular risk factors such as high blood pressure, high triglyceride levels in blood and inflammation.
A meta-analysis of seven controlled trials involving more than 400 patients was conducted and found that specific risk factors range from a 2% reduction (for blood pressure) to a 32% reduction (for inflammation). The results are published in the journal Progress in Cardiovascular Diseases.
In addition to reducing the "bad" LDL (low density lipoprotein) cholesterol by about 30% - a level comparable to drug use - the researchers found a 13% reduction in the overall risk of coronary heart disease, including angina and myocardial infarction.
“When you look at individual trials in and of themselves, the evidence for other risk factors may seem random,” explains diet author David Jenkins, professor of nutrition and medicine at the University of Toronto and head of research in nutrition and metabolism. "But when you combine the results of several trials, the risk reduction becomes clear, and together they provide a really strong case for the cardiovascular benefits of the Portfolio diet."
This diet, developed in 2002, has four main components:
1. Soybeans and other legumes (peas, beans, lentils) - soy meat, soy milk, soybeans.
2. Soluble ("sticky") fiber - oats, barley, plantain, some vegetables and fruits.
3. Phytosterols (natural compounds that inhibit the absorption of cholesterol) - replacement of butter with a special enriched with phytosterol esters, margarine.
4. Nuts - a handful of different varieties of nuts (walnuts, almonds, peanuts).
Based on a 2,000 calorie diet, you should consume 50 grams of plant protein, 20 grams of soluble fiber, 2 grams of phytosterols, and 45 grams of nuts daily.
The diet may seem daunting to follow, but even including certain plant-based foods in the diet provides noticeable health benefits. “One of the nice things about the diet is that the effects are additive, so taking one or more of the ingredients is better than nothing,” says John Sievenpiper, associate professor in the Department of Nutrition at the University of Toronto, staff physician and scientist at St. Michael (St. Michael's Hospital).
The findings from the study provide additional evidence that dietary and lifestyle changes can help manage high cholesterol levels and reduce the risk of cardiovascular disease and inflammation. The findings on inflammation have been particularly interesting, as a growing body of evidence suggests a link not only to cardiovascular disease, but to a range of others, including cancer.
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