Scientists found eating two handfuls of mixed almonds, hazelnuts and walnuts daily for 14 weeks improved mens sperm count and had more viable “swimmers”.
Across the Western world there has been a decline in sperm counts, linked to pollution, smoking and diet. Researchers said there was growing evidence a healthy diet could boost the odds of conceiving.
The study showed a diet rich in omega-3 fatty acids, antioxidants and the B vitamin folate improved fertility which backed up previous study findings.
Nuts contain many of these and other nutrients.