Where the consensus falls away concerns the reasons for this decline. But be it laptop radiation, non-stick frying pans or skinny jeans, the shortfall is hurting more than just your hopes of siring a footballer.
The University of Utah has found that men with abnormally low sperm counts are 10 times more likely to develop testicular cancer.
If hard facts like this leave you feeling flaccid, get yourself to the kitchen. A study in Fertility and Sterility found that consuming a combo of zinc and folate is the best way to improve your sperm count. Now, while a diet of broccoli would satisfy these requirements, it's not exactly sustainable.
Instead, a muesli breakfast should stiffen your resolve. Mix rolled oats with a selection of seeds, plus a splash of honey and maple syrup, before baking. Eat with milk and take a bite out of your cancer risk – all in the time it takes to empty your bowl.