Here's the biology behind the butterflies sensation people get when they’re falling in love or in high-pressure situations.
Falling in love can be a whirlwind experience, from the awkward pauses during a first dinner as you scramble for what to say next, to the electricity of a flirtatious joke, to the whooshing of butterflies in the stomach when things really start to click.
“The bacteria in our gut have the ability to signal the emotional centers in our brain,” Dr Keefer said. “They can affect how anxious we are, how depressed we are and even our resilience – how adaptable we are to change.” Scientists have also shown that loud, cacophonous words and sounds played in different ears at the same time can disturb the rhythms of our guts, as can – as shown in one of my own experiments – telling a lie, or discussing uncomfortable life events such as being rejected by a love interest.
The sensation of “butterflies” likely occurs because, on top of everything else, this molecule also delays our stomachs from emptying, while simultaneously speeding up our colons, Dr Tache said. This might happen as a means of protection, she said: Our intestines become more permeable – or “leaky” – under stress, which could be harmful if it caused waste from inside our guts to enter our bloodstreams.
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