Diet Rich in Nuts May Be Associated with Male Fertility Improvements

07 Juillet, 2018, 13:57 | Auteur: Yves Courtet

Nuts are rich in omega-3, antioxidants, and folate.

The results, presented at the 34th Annual Meeting of ESHRE in Barcelona, showed that a diet rich in nuts can boost sperm count almost 20 per cent, sperm vitality almost five per cent, sperm motility by six per cent, and morphology by one percent.

The quality and function of their sperm-including changes on a molecular level-were measured at the start and end of a 14-week period. The researchers write that there has been a decline in male sperm quality of late attributed to "pollution, smoking, and trends toward a western-style diet".

The researchers found significantly higher levels of sperm count, vitality, motility and morphology in the men randomised to the 60 grammes per day nut diet than in those following their usual diets free of nuts.

The researchers say their findings "support a beneficial role for chronic nut consumption in sperm quality".

In this study subjects randomized to the nut group had significant improvements in their sperm count, vitality, motility and morphology (shape).

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Nuts are rich in many of these nutrients. The study participants who consistently consumed nuts showed notable improvements in the vitality, mobility, morphology, and the number of their sperm - factors that are all associated with male fertility.

Sperm and blood samples were analysed at baseline and after 14 weeks of intervention.

All of these factors help with male fertility, study author Dr. Albert Salas-Huetos of the Human Nutrition Unit of the Universitat Rovira i Virgil in Reus said in a statement.

Dr Salas-Huetos said he couldn't advise nut supplements for men attempting to conceive "based exclusively on the results of this study".

The results also concluded that those who ate nuts had a "significant" fall in sperm DNA fragmentation, which is crucial for successful fertilisation and normal embryo development. "We can't yet say that", said Salas-Huetos, "based exclusively on the results of this study".

Sperm counts have halved in the western world over the past four decades, which, alongside rising testicular tumours, could be behind plummeting fertility rates and couples' increasing dependency on IVF, according to Professor Niels Skakkebaek from the University of Copenhagen. "But evidence is accumulating in the literature that healthy lifestyle changes such as following a healthy dietary pattern might help conception".

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