16 Aug 2012
Last updated during 05:31 ET
Could dual handfuls of walnuts a day keep a flood alloy away?
Eating around dual handfuls of walnuts a day improves spermatazoa health in immature men, a investigate in a biography Biology of Reproduction suggests.
Sperm shape, transformation and vitality softened in organisation who combined walnuts to their diet over 12 weeks.
The greasy acids found in these nuts are suspicion to have helped spermatazoa development. It is not famous if this would assistance urge masculine fertility.
About one in 6 couples are infertile, with 40% of these due to a masculine factor.
Dr Allan Pacey, comparison techer in andrology during a University of Sheffield said: “It would be comparatively easy to poke fun during studies like this, though there is augmenting justification to uncover that aspects of a man’s diet can impact a series and peculiarity of spermatazoa constructed by his testicles.”
The researchers contend a subsequent step is to work with couples who are attending infertility clinics to establish if fixation sub-fertile men, with bad semen quality, on a walnut diet formula in softened success conceiving.
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Walnuts yield a abounding source of omega-3, that we think might have been obliged for a improvements we observed.”
UCLA Centre for Human Nutrition
It is suspicion that infertility in organisation might be a outcome of too few spermatazoa being made, or that a spermatazoa have bad swimming ability, distance or shape.
This investigate concerned 117 organisation between a ages of 21 and 35, who were divided into dual groups. One organisation combined 2.6 ounces (75 grams) of whole-shelled walnuts to their daily diet.
The other organisation continued their common diet though avoided eating tree nuts. Both groups ate a standard Western-style diet.
Lead author, Prof Wendie Robbins from UCLA’s Fielding School of Public Health said: “We found a poignant alleviation in spermatazoa parameters in a organisation that consumed a walnuts.
“The organisation who ate no tree nuts saw no change.”
Sperm peculiarity softened in terms of concentration, vitality, movement, figure and chromosome abnormalities.
Dr Pacey said: “The investigate has been good executed and my usually critique would be that a organisation in a walnut-eating arm of a hearing could have altered other aspects of their poise to give a formula shown in a paper.
“A softened hearing would be to furnish tablets of walnut remove that looked matching to a remedy so that a investigate was totally blind.
“In annoy of this, a formula of a investigate uncover a tiny though statistically poignant alleviation in spermatazoa health.”
These advantages might be down to a greasy acids in a nuts.
Co-author Catherine Carpenter, from a UCLA Centre for Human Nutrition said: “Walnuts yield a quite abounding source of a-linolenic acid, a healthy plant source of omega-3, that we think might have been obliged for a improvements we observed.”
The walnuts for a investigate were granted by a California Walnut Commission and a investigate was saved by a UCLA Fielding School of Public Health’s Centre for Occupational and Environmental Health.