Roughly 17% of couples are infertile. A recent publication in the Journal Biology of Reproduction suggests an improvement in sperm health in men who incorporate walnuts in their daily diet. The researchers followed 117 men divided into two groups. One group added walnuts to their daily diet, and the other group avoided eating tree nuts over 12 weeks. Those who ate two handfuls of walnuts daily had a statistically significant increase in sperm quality. For what reasons do you suggest incorporating nuts into diet?

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