Healthy young men with a Western-style diet may be able to boost their sperm quality by eating a small packet of walnuts a day. These are the findings of a new study that shows healthy American men in their 20s and 30s who ate a 75g (2.5 ozs) packet of walnuts a day were able to increase the vitality, motility and structure of their sperm compared to counterparts who did not eat walnuts. A report on the study appeared online on 15 August in the Biology of Reproduction journal's papers-in-press section...

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