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The findings of a small study of a team of Spanish researchers suggest that adding a moderate volume of nuts to a diet could improve both sperm count and motility. The study follows a growing body of research showing that male fertility rates are falling in Western countries.
Presented this week at the annual conference of the European Society for Human Reproduction and Embryology (1945), the study followed 119 healthy male subjects for 14 weeks. The men were randomized into two groups, one continuing their usual western diet without nuts, and the other group supplementing this normal diet with 60 grams per day of an almond / hazelnut / walnut mix.
After 14 Weeks Men who supplemented their diet with nuts were found to have a higher sperm count of 16% and sperm motility 6% higher than the control group. Although these numbers are not particularly high, the researchers added that nut-eating subjects exhibited significant reductions in sperm DNA fragmentation. This parameter is suggested as something that is often associated with male infertility.
The study at this stage is not peer reviewed or officially published, so it is unclear if the test can be considered rigorous enough to warrant a reasonable conclusion. Allan Pacey, a male reproductive specialist from the University of Sheffield, points out that even though it's not surprising that nuts are associated with better sperm quality, many more in-depth studies verify that holistic diets positively influence sperm quality.
that the criteria used to evaluate sperm in this study do not simply mean that eating nuts will increase the chances of a couple's conception. "… people need to know that there is a big difference between the improvement in sperm quality measured by the methods of the WHO (or the damage to the DNA) and improving the likelihood of pregnancy in men eating nuts. " "Surely, this is what interests us the most?"
Further examination of the summary presented at the conference reveals a significant lack of clarity in several aspects of the trial. For example, it is not clear what the "Western diet" of subjects is. A more rigorous control of participants' nutrition would certainly be needed to come to a clear conclusion in a research like this.
A moderate amount of nuts in a healthy diet has been shown to infer a variety of beneficial effects. Perhaps the only real result of this research is that a healthy Mediterranean diet is the best approach for anyone who wants to maximize the health of his sperm, or simply his general wellbeing.
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