Adrenaline — also called epinephrine — is a hormone and neurotransmitter your body releases in response to stress, excitement, or danger. It’s part of the “fight-or-flight” response. Here’s what happens when adrenaline kicks in: • Heart rate increases – pumps more blood to muscles. • Pupils dilate – better vision. • Airways open up – more oxygen intake. • Blood sugar rises – more energy for muscles. • Pain perception drops – so you can push through. Basically, adrenaline turns your body into a h
Adrenaline — also called epinephrine — is a hormone and n…
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Adrenaline, Noradrenaline, and the Stress Response in Humans
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The Hormone Handbook by Dr. Hertoghe, a medical bestseller
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Cortisol is a stress hormone made by your adrenal glands (on top of your kidneys). When you feel stressed, scared, or even excited, your body releases cortisol to help you stay alert and handle the situation. It raises your heart rate, blood pressure, and energy levels so you can react quickly — like in a “fight or flight” mode. But if cortisol stays high for too long (due to constant stress), it can cause problems like weight gain, poor sleep, anxiety, and low immunity. So in short: 👉 Cortisol
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