Face masks do not reduce vital infections, but do increase problems breathing - yet are being used again
GreenMed info
Face Masks (Lack of Safety and Ineffectiveness Research) 41 abstracts
Meta-Analysis of 65 Studies Reveals Face Masks Induce Mask-Induced Exhaustion Syndrome (MIES)
Related in VitaminDWiki
- Face masks INCREASED COVID death rate in Kansas by 1.5X (re-inhalation)
- Politics says put your masks back on, Science says masks may INCREASE COVID infection
VitaminDWiki has been using a battery-powered face mask for years: wild-fire smoke, virus, etc.

Looks ugly, costs $40, is quiet, works nicely while biking, walking, etc,
I use it with a white mask