What's The Real Science Behind Masks? Why The Cloth Mask You Might Be Wearing Really Doesn't Work

Dr. Oz settles the fiery debates about masks breaking out across the country.  From mask mandates to questions about which ones work effectively, we take a closer look at all the data and help uncover which mask works for you.

Dr. Oz's expert reveals how effective a gaiter mask was at preventing the transmission of respiratory droplets when tested.

Watch THE DR. OZ SHOW, weekdays at 9 a.m. on CBS 62.