![Free divers have long defied science – and we still don’t really understand how they go so deep - Freediving in United Arab Emirates. Courses, Certificates and Equipment](https://freedivinguae.com/wp-content/themes/shaka-pt/images/fallback.jpg)
‘Under’, Martina Amati. © Martina Amati Free divers swim to extreme depths underwater (the current record is 214m) without any breathing apparatus. Champions can hold their breath for extraordinary amounts of time – the record for women is nine minutes, and men 11. I’m a doctor with a special interest in extreme environments, so was intrigued …