Drinking too much cola could lower men's sperm count

Men who drink around a litre of cola every day could be harming their sperm, according to a new Danish study.

On average, these men's sperm counts were almost 30 per cent lower than in men who didn't drink cola. While most of the sperm counts would still be considered normal by the World Health Organization, men with fewer sperm generally have a higher risk of being infertile.

The link is unlikely to be due to caffeine, the researchers say, because coffee did not have the same effect, even though its caffeine content is higher. Instead, other ingredients in the beverage or an unhealthy lifestyle could be involved.

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