(NPR) — Sometimes, it doesn’t take a major diet overhaul to get significant health benefits. Small changes can be helpful, too.

This seems to be the take-home message from a new study in JAMA Internal Medicine linking olive oil and nuts to improved survival from prostate cancer.

Researchers studied the fat intake of more than 4,500 men who had been diagnosed with non-metastatic prostate cancer (this is cancer that’s still confined to the prostate gland and has not spread to another place in the body).

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