But it's good to wean them off before the age of one, because dummies can be a barrier to speech and language. They can affect growing teeth and stop a toddler's tongue from moving freely.

In an easy-to-understand video on TikTok, she says: "It provides comfort, and a lot of babies or toddlers use it to fall asleep. The ideal age to get rid of the dummy is between four and six months.

The last of the three is seen as a problem to some parents. If you're worried about your baby or toddler relying on their dummy too much, there's no need to fret, as a health visitor has recently ...