Pandemic mask-wearing linked to hike in acute headaches

The authors of the report said there was no rise in average CO₂ levels in patients between 2019 and 2020 which they said was an important message to combat the spread of fake news about masks.

Researchers at University Hospital Limerick have linked a significant increase in people presenting with acute headaches to the widespread use of masks.

The study by doctors at UHL said the findings suggest there may be a new phenomenon of “mask-induced headaches” in the general population arising out of the Covid-19 pandemic.