Published: Sat, July 07, 2018
Health Care | By Cedric Leonard

July 2018 - Nuts may boost male fertility - News - SHOWCASE

According to the authors, the results are consistent with previous research which has shown sperm can be improved by diets rich in omega-3, antioxidants like vitamin C and E, selenium, zinc, and folate - all of which are found in nuts.

Some of the individuals were assigned to resume their typical western-style diet which did not include nuts, while the others consumed 60 grams of mixed almonds, hazelnuts, and walnuts per day.

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.

Scientists made the claim after conducting a randomised trial which measured conventional semen parameters and molecular changes over 14 weeks.

Although these are statistically significant results from a randomised trail with a high level of scientific evidence, Salas-Huetos emphasised that subjects in the study were all healthy and apparently fertile men following a western-style diet. About 40 to 50 percent of infertility cases are due to infertility among men.

The study followed 119 men between the ages of 18 and 35, and divided them into two groups.

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The investigators conclude from the study that there is a "beneficial role for chronic nut consumption in sperm quality" and nuts should be a part of male dietary recommendations.

The men who ate nuts saw a 16 percent spike in their sperm count on average, as well as improvements in the overall health of the reproductive cells. "Nuts are important because they are a key food for healthier life", he told Newsweek, pointing to the Mediterranean diet as a good option.

In the study, subjects randomised to the nut group had significant improvements in their sperm count, vitality, motility and morphology (shape), researchers said. These four parameters, explained Salas-Huetos, are all associated with male fertility. Reduction in DNA fragmentation was the main reason why the other parameters also improved he said.

"The results of our study could potentially help couples' chances of conceiving", said Albert Salas-Huetos, who led the study at the University Rovira and Virgili in Reus, Spain.

The decline in sperm concentration was put at -1.4% per year and in total sperm count at -1.6% per year.

According to Salas-Huetos one of the limitations of the study was the inclusion of healthy males with normal fertility.

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