"So good I could just eat you."

New mum Angela found herself saying these words over and over to her new baby as she bent her nose to her baby's head. Her newborn captivated her and the smell kept her coming back.

"I would drink it up, like a nasal elixir. I found it more enticing than any perfume, any new car smell, and any food smell, including freshly baked cake."

This powerful, almost desperate need to inhale your baby's smell prompts the powerful feelings of protection, love and belonging.

It's known known to all mothers, and bonds each irrevocably to her baby - as nature intended. 

In 2013, a study from University of Montreal tried to find out more about the new baby smell. Turns out, it last for only six weeks. Then poof! It's gone and what's left is the rather less enticing smell of poo and wee filled nappies.

The study scanned the brains of 30 women, 15 of whom had given birth three to six weeks earlier and 15 of whom had never

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