[Parmy]

Originally Posted by Toy Soldier

They've been proven not to affect the oxygen sats of people with asthma and COPD etc. so what sort of health condition?

From the source in the op.


list of exemptions has not yet been published, but the rules for face masks on public transport exempt anyone who cannot wear one "because of any physical or mental illness or impairment, or disability", who would experience "severe distress" from doing so, or relies on lip reading, among other reasons