每天吃約70公克的nuts -> oh my god -> LDL會好看一點 -> 但可以推到improved outcome?

Adding Nuts to Your Diet Lowers Lipids

Cholesterol levels declined with mean daily consumption of 2.4 ounces.

Epidemiologic studies repeatedly have shown an association between consumption of nuts and lower risk for coronary heart disease. In a pooled analysis of 25 trials with 583 participants in seven countries, researchers evaluated the relation between consumption of nuts and lipid levels. The analysis included 16 randomized crossover trials, 2 parallel-group randomized trials, and 7 "before-and-after" studies.

In all studies, nuts were the only dietary intervention. No participants were receiving lipid-lowering therapy, and studies that involved substantial weight loss were excluded. Researchers received some funding from a nut growers' association.

Mean daily consumption of nuts (most commonly, walnuts and almonds) was 2.4 ounces. Nut consumption resulted in estimated mean reductions from baseline in total cholesterol (TC) level (–10.9 mg/dL), LDL-cholesterol level (–10.2 mg/dL), and TC/HDL-cholesterol ratio (–0.24). Triglyceride levels declined (–20.6 mg/dL) among people with baseline levels ≥150 mg/dL. No change was noted for HDL-cholesterol levels. This relation was seen for all nuts, including peanuts.

Comment: In this pooled analysis, consumption of nuts was associated with significantly improved lipid levels. Prior studies have also suggested that nuts provide additional cardiovascular benefits on endothelial function and lipoprotein(a) levels. Importantly, the authors note that moderate consumption of nuts is not associated with weight gain.

— Jamaluddin Moloo, MD, MPH

Published in Journal Watch General Medicine June 8, 2010

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