Instead of using a phone to make a call, this infant is using it for a purpose more suited to his current stage of life — to relieve the pain of teething. While this may look cute, the tendency that i...Instead of using a phone to make a call, this infant is using it for a purpose more suited to his current stage of life — to relieve the pain of teething. While this may look cute, the tendency that infants and young children have of putting objects in their mouths makes them particularly vulnerable to being exposed to toxic substances in their environment that can seriously — and sometimes permanently — damage their health.