Nipomo dentist answers, 'Is it normal for my three-year-old to still suck his thumb?'

"Parents don't need to worry when their toddler is still thumb-sucking," says Dr, Douglas Ng from Nipomo Family Dentistry. Most toddlers give up the habit around 4 years old, but it's normal for some to continue past their fifth year. SAN LUIS OBISPO, Calif., Sept. 13, 2023...