He always sucks his finger | Causes and solutions of sucking thumb
  He always sucks his finger Eight out of ten children insist on the  'bad habit'  of sucking their thumb (sometimes other fingers too), which turns into a concern for parents.  In fact, continuous sucking  can alter the growth of teeth,  especially permanent ones.  It can also cause  infections in the nail  of the  sucked  finger  - fingernail - due to the microbes that take root in a macerated area of the skin, without any more defenses.  Finally, the suckling baby introduces air into the stomach more easily, resulting in  bloating. Causes and solutions Today, dissuasive measures, such as gloves or bitter substances on the finger, are no longer adopted.  Rather, one wonders  what drives the baby  towards this self-comfort: early weaning that deprived him of the joy of sucking in the first months of life?  Rhythms beyond your abilities?  The arrival of a little brother? Solutions:  rep...