How fear can be ‘programmed’ into infants

If the thought of the dentist’s drill sets your teeth on edge, blame your mother.
Babies may develop a deep-seated of the dentist before they even grow their first teeth, scientists say. They believe that fear can be passed between generations, with mother to child the primary route.
The tantalising idea comes from research into the ‘smell of fear’. The US study showed that newborn rats learn what to fear by sniffing odours given off by their mothers.
The researchers believe something similar happens in people, with babies picking up on changes to their mother’s voice, face, movements or even their smell.

Source  - Daily Mail