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our legs wobble as you approach the podium. Your hands tremble as you adjust the microphone. Your head throbs. A wail builds deep inside you and threatens to escape.
It’s showtime—and the feelings are primal.
Evolutionary biologists tell us that in the presence of a presumed threat, we go into fight-or-flight mode, kicking off a millennia-old chain-reaction that starts in the brain’s fear centers and ends with our muscles pumped with blood and oxygen, prepared for battle or escape.
