Meditation is a tool. I don't understand how anyone can claim that a tool is powerful enough to alter your mind or body can only have positive effects. Of cours

Meditation is a tool. I don't understand how anyone can claim that a tool is powerful enough to alter your mind or body can only have positive effects. Of course, any such tool can also alter your mind or body in a negative way, if used incorrectly or if it is not the right tool for you. Same with Yoga, Ayurveda, weed etc. If you think it has the power to change you, you have to accept that it can also change you in a way you did not anticipate or want. I think we should explore all of these, but also be careful in recommending them as "side-effect-free".