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This page has been archived and is no longer updated. Published online 29 July Nature doi Hannah Wunsch. What happens when sperm from two different males meet up?
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Walnuts 'improve sperm health' in men, say researchers

A new study in the journal Biology of Reproduction suggests that men who want to boost their sperm could benefit from eating 75gm of whole-shelled walnuts a day. A randomised, parallel two-group tria,l with single-blind masking of outcome assessors, was conducted with healthy men, age 21 — 35 years. One group ate the walnuts as part of their regular diet for 12 weeks, while the other group avoided tree nuts.
The outcome adds weight to concerns that the explosive spread of mobile telephones and other devices relying on WiFi connection may be contributing to declining fertility rates in developed countries. Each of the men, whose average age was Exposure to EM waves from the WiFi router occurred over periods of 30 minutes, 60 minutes, two hours and 24 hours, after which sperm motion was accurately tested using an advanced sperm motility analysis system.
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