Blood pH

Biomarker

2 papers1 finding

Interventions

Mask wearing

downin humans1

1 study

Mask wearing decreases blood pH in humans.
“Across multiple studies, mask wearing increases inhaled CO2 concentrations and produces small but measurable reductions in blood pH in some conditions.”
Reviewin mask wearing
Physiological responses to mask-associated CO₂ exposure: a narrative review of acid-base balance, aging, and amyloidogenic stress
Frontiers in public health2 Mar 2026

Latest

3 in 12 months

Journal of Intensive Care30 Sep

Low arterial pH links to higher ICU mortality in older adults

In a study of 324,806 ICU admissions, lower arterial blood pH within 24 hours showed a stronger link to mortality in patients aged 65 and older.In a study of 324,806 ICU admissions, lower arterial blood pH within 24 hours showed a stronger link to mortality in patients aged 65 and older.

Cohort study of 324,806 peopleBiomarkers

Paper

Frontiers in Public Health18 Mar