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en.wikipedia.org/wiki/Butterflies_in_the_stomach

Butterflies in the stomach is the physical sensation in humans of a "fluttery" feeling in the stomach, caused by a reduction of blood flow to the organ. This is as a result of the release of adrenaline in the fight-or-flight response, which causes increased ...

www.saywhydoi.com/butterflies-in-the-stomach-why-do-i-get-butterflies-in-my-stomach

Jul 6, 2011 ... The causes behind the butterflies in your stomach are changes in ... In response, the hypothalamus releases certain hormones like CRH which ...

www.washingtonpost.com/wp-dyn/content/article/2010/05/09/AR2010050902953.html

May 10, 2010 ... The experience is referred to as having "butterflies in your stomach." What's ... stomach. This and other hormonal changes may cause nausea.

blogs.discovermagazine.com/crux/2017/02/21/butterflies-in-the-stomach-science

Feb 21, 2017 ... Rather than actual butterflies bouncing around your large intestine, ... Quite of bit of blood flow from the heart is directed to the stomach, and ...

greatist.com/happiness/why-do-i-get-butterflies-my-stomach

May 18, 2012 ... Stress can cause some pretty weird feelings, and butterflies in the ... which release hormones including adrenaline and cortisol that can turn the ...

www.scienceforums.net/topic/21944-butterflies-in-the-stomach

Dec 1, 2006 ... Sympathetic arousal causes physical changes in preparation for ... of hormones such as cortisol and adrenaline are likely to be the cause of the ... leads to the feeling of "Butterflies in the stomach" due to the reduced blood ...

www.quora.com/What-is-the-scientific-explanation-of-butterflies-in-the-stomach

Originally Answered: What causes the butterflies in your stomach? ... the same time, the nervous system stimulates the adrenal glands, which release hormones  ...

www.myvitawellness.com/3-stages-love-hormones

This hormone causes the heart to beat faster and stronger, results in a surge of ... also heighten feelings of anxiety or nervousness and butterflies in the stomach.

everydayfeminism.com/2012/12/the-neurobiology-behind-all-of-the-ridiculous-things-you-do-when-youre-in-love

Dec 8, 2012 ... Butterflies in your stomach. ... And it also causes us to act in some really bizarre ways. ... Cortisol is a stress hormone; Dopamine seeks out pleasure; Norepinephrine makes you highly excitable; Serotonin is a mood stabilizer.