Thanks to the work of our sympathetic
nervous system, the "fight or flight" system that takes over when
we're stressed, when you see your boss's name in your inbox late at night, your
body reacts like there's a lion on the loose.
Behind the wide range of both physical
and mental reactions to stress are a number of hormones that are in charge of
adding fuel to the fire.
Adrenaline
What It Is: Commonly known
as the fight or flight hormone, it is produced by the adrenal
glands after receiving a message from the brain that a stressful situation has
presented itself.
What It Does: Adrenaline,
along with norepinephrine (more on that below), is largely
