Under normal circumstances, breathing is automatic, mostly unnoticed, and largely silent. We hardly notice it... that is until something goes wrong. And last year, after finishing my new book, ...

Breathing is a crucial biological function essential for survival and various bodily processes. It occurs involuntarily, ...

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 ...

Expiratory reserve volume is the amount of extra air above normal that you exhale during a forceful breath out. ERV is part of the data gathered in pulmonary function tests used to diagnose ...