Vitomir Maričić, a freediver from Croatia, held his breath for 29 minutes and three seconds, shattering the previous world record by nearly five minutes.

Croatian freediver Vitomir Maričić broke the world record for longest human breath hold with a stunning 29 minutes and 3 ...

Jennifer Simpson inhaled air through her nose and mouth for the first time in 15 years Wednesday, her chest expanding on its own, her diaphragm contracting as if it were hardly out of practice. It ...

The patients learned to feel the diaphragm contracting through their hands placed on the abdomen, while their other hands placed on their chests remained stationary during inhalation.

Healthline further explains that the diaphragm contracting out of rhythm is what causes hiccups. Each spasm of the diaphragm makes the larynx (voice box) and vocal cords close suddenly.

Vitomir Maricic, a freediver from Croatia, did something incredible on June 14: He held his breath for 29 minutes and three seconds, shattering the previous world record by nearly five minutes.