Other than like a century or surgeons all wearing them. Really this “no proof” line is STUPID and anybody using it should be embarrassed. You’re the fraud.
Amen.
As soon as I see someone lying about ‘oxygen deprivation’ or other detriment, I know I’m dealing with either an ignorant moron or a Chicom useful idiot - if not operative.
Surgeons and surgical nurses have been wearing them for many decades, and without the little-girl whining and bitching of some ostensible men.
But doctors and surgeons don’t wear them ALL day!