1 min read

This mini article is part of The Unprescribed, a series of reflections on the prescriptions doctors wish they could write, but never do. Shared on Sundays.

By Dr. Maria K. Jimmy

When was the last time you felt truly angry?

If you have ever wondered how to calm down fast or control anger naturally, the answer lies in physiology.

Have you heard of the fight-or-flight response? Anger activates the sympathetic nervous system: heart rate rises, muscles tense and cortisol — the primary stress hormone — surges.

Here is what most people do not realise: evolution also built in counter-regulatory mechanisms.

Hidden in your biology are mammalian reflexes that activate the parasympathetic nervous system, regulate heart rate and reduce the stress response. Learn to trigger them, and you can flip the calm switch yourself.

Here are four mammalian reflexes you can use as practical anger management techniques to calm down quickly:

1. The Mammalian Dive Reflex (Facial Cooling)

Splash cold water on your face or hold a chilled compress over your cheeks for 30 seconds.

Facial cooling stimulates the vagus nerve and can rapidly lower heart rate, supporting emotional regulation.

Useful tools (with links):

A reusable gel eye mask or an ice roller for the face.

2. Isometric Contraction–Release (Proprioceptive Reset)

Grip a firm stress ball tightly, then release slowly.

Strong proprioceptive input helps interrupt emotional overload and reset nervous system regulation.

Helpful:

A high-resistance stress relief ball or a therapy putty.

3. Respiratory Vagal Activation (Guided Deep Breathing)

Slow, controlled breathing shifts the body out of fight-or-flight.

A steady inhale followed by a longer exhale stimulates the vagus nerve, improves heart rate variability and lowers the stress response. 

Helpful tool:

A 3-ball incentive spirometer (lung exerciser) for deeper diaphragmatic breathing and vagal activation.

4. Reciprocal Inhibition (The Stretch–Release Reflex)

Stretch your shoulders and chest deliberately.

Reciprocal inhibition relaxes tense muscles and signals safety to the autonomic nervous system.

A simple yoga mat helps build the habit.

Your Nervous System Knows

Your body already knows how to calm down. These reflexes are built in, free and available whenever anger strikes.

The key is recognising them and using them.

Clinical Note: Anger is a valid human emotion that often signals something important. These science-backed techniques help regulate your body so you can respond thoughtfully rather than react impulsively.

Seek professional care if anger becomes frequent, intense or unmanageable.

The Unprescribed / Advice that never makes it onto the prescription note.