Emotional regulation
Stress and calm
8 briefs · 15 sources read and checked · 1 the evidence firmly supports
Do grounding techniques work for anxiety?Grounding techniques such as naming what you can see, hear and touch are standard components of therapy for panic and dissociation, and they are described in clinical literature without supporting trials. No randomised evidence tests them as a standalone intervention. The breathing usually bundled with them does have controlled evidence behind it.2 sources checkedDoes box breathing actually work?Box breathing reduced anxiety and negative affect over 28 days in the one controlled trial that tested it directly, but it did not significantly outperform mindfulness meditation on either, and cyclic sighing beat it on positive affect. That arm had 19 participants. The equal-length design is the part the wider physiology argues against, since the calming response tracks the exhale.2 sources checkedDoes meditation work, and what for?Mindfulness meditation has moderate evidence for anxiety, depression and pain, with small effect sizes between 0.22 and 0.40. Evidence was low for stress and mental health quality of life, and low or insufficient for mood, attention and weight. Mantra meditation showed no effect on anything measured. No meditation programme outperformed the established therapies it was compared against.1 source checkedHow do you actually lower cortisol?Movement lowers cortisol, and the type and amount both matter. Across 44 randomised trials covering 3,284 distressed people, yoga produced the largest reduction at SMD −0.59, with qigong second. The relationship followed an inverted U, peaking around 530 MET-minutes a week, roughly 90 to 150 minutes of moderate activity. High-intensity interval training tended to raise cortisol instead.1 source checkedDoes heart rate variability training work?Biofeedback training has genuine support. Across 14 randomised trials and 794 people, it reduced depressive symptoms at g = 0.38, a medium effect holding across clinical and non-clinical groups. That evidence is for structured practice with feedback, and not for watching a daily readiness score on a wearable, which is a different thing with far weaker support.2 sources checkedDoes cold water immersion help stress and mood?Weaker than the enthusiasm suggests. Across 11 studies and 3,177 people, stress fell significantly only at 12 hours after immersion, with nothing at any other timepoint, and mood showed no significant difference against passive recovery. Inflammation rose immediately afterwards. Sleep quality improved in limited studies. The rush you feel is real, and it is not the same as a measured benefit.1 source checkedCan you actually train your vagus nerve?The devices have been tested and the results conflict. A 28 person trial found clear increases in vagal heart rate markers, a larger 78 person trial found no change in the specific vagal marker, and a Bayesian meta-analysis concluded there is strong evidence for no immediate effect. The popular non-device methods, humming, gargling, cold water on the face, have almost no controlled evidence behind them.3 sources checkedDoes breathwork work, and what about the Wim Hof method?Short daily breathing practice has solid controlled evidence for mood and physiological arousal, and one exhale-focused technique outperformed mindfulness meditation in a randomised trial. The Wim Hof method genuinely dampens an induced immune response, in very small samples of healthy young men, where participants who expected it to work responded more strongly.3 sources checked
Kind of claim
experiential
Strength of evidence
emerging
Strength of evidence
evidence-informed
Strength of evidence
evidence-based
Strength of evidence
evidence-informed
Strength of evidence
emerging
Strength of evidence
emerging
Strength of evidence
evidence-informed
The other five capabilities
Put the useful part into practice
HumanOS helps you turn useful evidence about stress and calm into a steady weekly practice.
Join HumanOS free