Willoughby Britton is a meditation teacher and researcher who studies adverse effects of meditation and mindfulness. There is a risk of diverse mental problems, especially - but not only - for people with a history of trauma.

As a meditator myself I think it would be helpful if this were more well-known.

If you search for her name, you'll find more information and studies. Here's an interview and article:

https://tricycle.org/trikedaily/trauma-meditation/ https://www.theatlantic.com/health/archive/2014/06/the-dark-...