Butterflies in the stomach are a response of the autonomic nervous system , which connects the brain to several organs, including the stomach. When a person experiences feelings of love or ...

Faster breathing. Nervous perspiration. Butterflies in the stomach. But whether that fright is caused by watching a nail-biting horror movie, listening to a spine-chilling story, or prowling ...

Harry Kane admits to feeling nervous before big games, but the Bayern Munich and England striker has explained why that is a ...