Dear Dr. Roach: I have seen numerous articles extolling the advantages of eating nuts because they are a good fat. I often have wondered if it matters whether the nuts are raw or roasted. Would you please explain the difference and the impact on ones health? D.O.
Answer: Scientists believe that nuts are healthy for us based on three different types of evidence. One is called epidemiological: People who eat nuts live longer and have less heart disease than people who dont eat nuts. This suggests nuts are good for you, but its not definitive. People who eat nuts may do other healthy things, which could be the real reason they live longer (this is called confounding).
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