Results

5 stories for“sinusitis”

Research divers work under formal scientific diving safety standards, but a marine science background does not make deep or technical diving inherently safer to attempt.

Jun 14, 2026

Diving

Lung Squeeze: The Freediving Injury That Comes From Trying Too Hard

Coughing pink after a deep dive is not something to shrug off. Squeeze happens when tissue cannot keep up with pressure, and the usual causes are tension, forcing equalisation and pushing depth too fast.

Aug 13, 2026

Diving

Equalisation: Why Ears End Most Freedivers' Progress

Frenzel and mouthfill solve the one problem that stops more beginner freedivers than fitness or fear ever does: equalising the ears under rising pressure.

Dec 5, 2024

Diving

The Freediving Depth Records and Who Actually Holds Them

The current constant weight world records, the athletes behind them, and the federations, AIDA and CMAS, that ratify every metre added to the books.

Jan 15, 2026

Results

When Scientists Dive, Credentials Do Not Remove the Risk

Lung Squeeze: The Freediving Injury That Comes From Trying Too Hard

Equalisation: Why Ears End Most Freedivers' Progress

The Freediving Depth Records and Who Actually Holds Them

Results

When Scientists Dive, Credentials Do Not Remove the Risk

Lung Squeeze: The Freediving Injury That Comes From Trying Too Hard

Equalisation: Why Ears End Most Freedivers' Progress

The Freediving Depth Records and Who Actually Holds Them