A racing heart can feel terrifying.
Many people think they are having a heart attack.
But one of the most common causes of a fast heartbeat is anxiety.
Your heart is not failing —
your nervous system is activated.
Why anxiety speeds up your heart
When you feel anxious, your body releases:
- adrenaline
- cortisol
These prepare you for fight or flight.
Your heart beats faster to:
👉 send oxygen to your muscles
👉 increase alertness
👉 help you react quickly
This is a normal survival response.
Why it feels so scary
A fast heartbeat makes you think:
“What if something is wrong?”
That thought increases anxiety → which increases heart rate → which increases fear.
This creates the panic loop.
Signs it’s anxiety (not danger)
Anxiety heart racing usually:✔ starts suddenly during stress✔ comes with shallow breathing✔ improves when you relax✔ happens with dizziness or chest tightnessAlways check with a doctor if symptoms are new, but most of the time it is anxiety-related.
3 fast ways to slow your heart rate
1. Long exhale breathing
Inhale 4 seconds
Exhale 8 seconds
Long exhales activate the calming nervous system.
2.Cold water trick
Splash cold water on your face or hold a cold bottle.
This activates the vagus nerve and slows the heart.
3. Name what you feel
Say:
“This is anxiety. My heart is safe.”
This reduces fear, which reduces heart rate.
Gentle reassurance
racing heart from anxiety is uncomfortable —
but not dangerous.
Your heart is strong.
Your body is trying to protect you.
It will slow down.
For a gentle step-by-step method to calm anxiety and emotional eating, you can read my books here:
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