Peter Attia· MD
anytime in life whether or not you're a child or a baby or or an adult if you have pollution or tobacco smoke that also causes dry skin and itchiness and not just the skin on the surface but also in your body so it's not that anything that touches the air has skin cells so that means our lungs that means our gut so all of these features that I talked about can affect the skin and through we think that through the skin allergies can begin