A member asked:

Does thumb sucking cause more chapped lips or is it from smoking?

A doctor has provided 1 answer
Dr. Brian Lynch answered

Specializes in Family Medicine

Chapped lips: Both activities probably contributed to chapped lips. Chapped lips are simply injury to the outer lining or the upper layer of skin. This can be from dehydration or any other kind of injury.

Answered 9/8/2020

4.7k views

Thank

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