Lowering the BMI can improve older men's fertility
Reproductive Health Male fertility BMI

Lowering the BMI can improve older men's fertility

Dr. Mónica Faut
Dr. Mónica Faut

In 10 seconds? It’s worthwhile to stay lean into older age if you are a male who wants kids – researchers found that losing extra pounds improves sperm quality.

What’s the story? Evidence of a global decline in human sperm quality over recent decades has been accumulating. Environmental, occupational, and lifestyle factors contribute to this phenomenon. In this context, BMI emerged as a critical factor among older men, with molecular mechanisms underlying the complex testicular changes associated with the exacerbation by concurrent chronic conditions such as obesity. But a recent study says – pardon the pun - “old dogs can still do some tricks”. To be less cryptic: after two weeks of shedding around 36lbs, men’s sperm counts increased by 40 per cent (with sperm count being a key factor in fertility).

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