As Johns Hopkins Medicine points out, thumb sucking is a common childhood habit that starts early. While thumb sucking isn't an issue in babies or young children, adult thumb sucking may be embarrassing and in some cases may pose oral health problems. Thumb sucking in infants and.
Adult thumb sucking is more common that people think, but it is a secret I get home and I am settling in for bed, I find my thumb in my mouth.
I assumed that the reason I can't find a lot of info on adult thumb suckers is because they're all currently hiding in their homes under blankets.