Men are damaging their chances of having children by going to the gym ‘to look wonderful and attract women’, experts have warned.

Scientists have said drugs used for muscle growth and anti-baldness pills can have side effects including erectile dysfunction and infertility.

The ironic effect has been labelled the Mossman-Pacey paradox after the scientists who first described it, noticing more buff men needing fertility tests. 

Men are damaging their ability to have children by going to the gym ‘to look wonderful and attract women’: Experts warn about misuse of steroids and anti-baldness pills.Stock photo

Professor Allan Pacey, fr

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    Dr Mossman was at Sheffield University studying for his doctorate when he noticed a lot of the men coming in to have their fertility tested were ‘huge’.

    He then made the connection between poor fertility and the use of anabolic steroids, which are used to increase muscle mass and performance in the gym.

    Anabolic-androgenic steroids (AAS), a type of image and performance-enhancing drug (IPEDs), are synthetically produced versions of the naturally occurring male sex hormone testosterone.