How can these exercises provide 'instant' calm?

They work by quickly engaging the parasympathetic nervous system, which slows your heart rate and signals to your brain that it's safe to relax.

Are these techniques discreet?

Yes, many can be practiced anywhere, anytime, without anyone noticing, making them perfect for stressful public situations.

Is this a substitute for medical advice?

No. The information provided is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.