Nuts may boost male fertility

Nuts may boost male fertility

A variety of nuts can provide protein, calcium, antioxidants such as vitamin C and E, omega 3, folate, etc.

The results of the study are being presented at the annual meeting of the European Society of Human Reproduction and Embryology in Barcelona.

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.

Although these are statistically significant results from a randomized trial with a high level of scientific evidence, Salas-Huetos emphasized that subjects in the study were all healthy and apparently fertile men following a western-style diet.

The potential benefits of nuts for men struggling with fertility have yet to be probed. About 40 to 50 percent of infertility cases are due to infertility among men.

As part of the study, 119 men - between the ages of 18 and 35 - were recruited and split into two groups.

The findings, say the investigators, "support a beneficial role for chronic nut consumption in sperm quality" and reflect a research need for further male-specific dietary recommendations.

According to the World Health Organization (WHO), normal sperm concentration for male fertility is greater than 15 million per millilitre with a progressive motility of 32 percent or higher, vitality of 58 percent and a normal morphology of 4 percent or more. "Nuts are important because they are a key food for healthier life", he told Newsweek, pointing to the Mediterranean diet as a good option.


Sperm and blood samples were analyzed 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.

Does this mean that men hoping to conceive a child should add nuts to their diet?

Those who regularly consumed nuts, scientists have noted lower rates of DNA fragmentation of sperm, which is a common cause of male infertility.

The study recorded not just sperm parameters but also changes in several molecular factors, including sperm DNA fragmentation.

"We can't yet say that based exclusively on the results of this study", said Dr. Salas-Huetos. Trial participants who knew they were eating nuts might have changed other aspects of their lifestyle, which could have skewed the results.

Morphology - the size and shape of sperm - increased by 1 percent.

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