Notice how some newborns just smell like happiness?  Science shows that there may be biological mechanism behind that sweet smells that attracts mothers to their babies.

A recent study shows the smell of a newborn baby triggers a rush of dopamine for new mothers that are actually similar to reward responses that come when craving certain foods.

Our sense of smell works as a chemical communicator that signals between an intense aroma between mother and child that helps keep the two connected.

"What we have shown for the first time is that the odor of newborns, which is part of these signals, activates the neurological reward circuit in mothers," Frasnelli said in a statement, via Live Science. "These circuits may especially be activated when you eat while being very hungry, but also in a craving addict receiving his drug. It is in fact the sating of desire."

Read more from Science World Report.

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