A single Mycobacterium tuberculosis bacterium is small enough to ride an exhaled droplet all the way down into the deepest pocket of the lung, where a single layer of alveolar cells is all that ...

It’s one of the first things parents and teachers tell a child who gets upset: “Take a deep breath.” But research into the effect of deep breathing on the body’s stress response has overwhelmingly ...

Last year, a group of researchers won the 2024 Ig Nobel Prize in Physiology for discovering that many mammals are capable of breathing through their anus. But as with many Ig Nobel awards, there is a ...

If you’re lucky enough to live to 80, you’ll take up to a billion breaths in the course of your life, inhaling and exhaling enough air to fill about 50 Goodyear blimps or more. We take about 20,000 ...