In this episode of Bulletproof Radio, my guest explores the underwater world as one of the greatest cave divers on the planet. She is considered this generation’s Jacques Cousteau. Canadian Jill Heinerth has gone into places in the world where no one had gone before.

“The adventure seeker, the novelty seeker, the sensation seeker isn't necessarily risky in that foolish sort of way,” Jill says. “We're not adrenaline seekers necessarily. It doesn't mean we're dangerous. It doesn't mean were death-wish kind of thing. It just means we're out and interested in stimulation, learning, curiosity, and new things.”

She’s dived deeper into caves than any woman in history and set a women's world record for deep cave penetration. She became the first person to dive the ice caves of Antarctica, going further into an underwater cave system than any woman ever.

“When I do choose to take risks, I'm very, very careful about assessing risks, trying to prevent as many things that could go wrong, pre-visualizing what could happen underwater, and then ensuring that I have the right training, the right personnel, the right equipment, and redundancy with me, so that I can handle that worst case possible scenario,” Jill says.

She’s completed more than 7,500 dives in her career so far and says, “We are capable of so much more than we could possibly imagine.”

Considered a legend in the diving community, she's spent more than three decades in submerged caves around the world partnering with National Geographic, NOAA, and various educational institutions and television networks worldwide. She’s also a writer and award-winning photographer and filmmaker who takes a keen interest in the health of our Earth’s oceans.

In recognition of her lifetime achievement, Jill was awarded the inaugural Sir Christopher Ondaatje Medal for Exploration. Established by the Royal Canadian Geographical Society in 2013, the medal recognizes singular achievements and the pursuit of excellence by an outstanding Canadian explorer. She also is the first Explorer in Residence for the society.

Jill says cave diving is “one of the most dangerous, yet exhilarating, pursuits in the world.” In our conversation, we talk about her adventures underwater and how her survival depends on how she balances risk, fear and the right amount of breathing.

“I'm scared all the time,” Jill says, “because I think being scared means that I care about the outcome.”

Enjoy the show!

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