Study: 'Jua kali' men are more fertile

A Jua kali artisan chisels a metal sheet to make a frying pot at Kibuye market in Kisumu on June 13th 2019. [Collins Oduor, Standard]

Rapidly rising infertility rates have been a growing concern worldwide, and researchers have been prodding to find answers.

According to a National Institute of Health publication, up to 40 to 50 per cent of the cases can be traced to male factors, including low sperm count, poor semen quality, and dysfunctional sex organs.