Tai Chi, Chi Kung(Qi Gong), Meditation and Yoga don’t just calm the mind – they seem to affect our DNA too. There’s evidence that such “Mind-body interventions” dampen the activity of genes associated with inflammation – essentially reversing molecular damage caused by stress.

What Is the Molecular Signature of Mind–Body Interventions? A Systematic Review of Gene Expression Changes Induced by Meditation and Related Practices

https://www.frontiersin.org/articles/10.3389/fimmu.2017.00670/full