Nuts contain healthy unsaturated fats, protein, and important nutrients like potassium, and there is ample evidence that eating nuts regularly helps protect against heart disease. Numerous studies have shown that if you put people on nut-filled diets, favorable effects on cholesterol levels, blood pressure readings, and inflammatory factors follow. And in large epidemiologic studies, high nut consumption has been associated with lower rates of heart disease. An analysis of data from the Harvard-based Nurses' Health Study showed that having one serving of nuts a day is associated with a 30% lower risk of heart disease compared with having one serving of red meat a day.
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