DIET & NUTRITION 
PATIENT EDUCATION 
OBESITY/WEIGHT MANAGEMENT 
EXERCISE/TRAINING 
LEGAL MATTERS 
GUIDELINES/RECOMMENDATIONS Science tells us that face masks can prevent coronavirus transmission and save lives; however, all masks are not created equal. The WHO and CDC both recommend fabric face masks for the general public, but what about neck scarves and other types? Here’s how scientists have ranked mask materials so far, from the most to least protective.
Peer-influenced content. Sources you trust. No registration required. This is HCN.