“If you pretend to blow bubbles or blow out a candle, or make an elongated ‘moo’ sound like a horny cow, you’re controlling the exhalation phase of breathing which activates your vagus ...

Blowing bubbles, or the action of breathing out slowly, offers a safer alternative by gently increasing abdominal pressure while avoiding strain. Imagine it like opening the vent on a pressure ...

Large oxygen bubbles would be hazardous ... in ICU who had severe pneumonia," Kheir told FoxNews. "She didn't have a breathing tube at the time, and all of a sudden she had a pulmonary hemorrhage ...