Meditation and mindfulness are entering the mainstream as psychological techniques for combatting stress and promoting psychological well being. But are the effects wholly positive? Research shows that there can be adverse effects as well as beneficial ones: twitching, trembling, panic, disorientation, psychotic breakdown and other undesirable effects. Japanese soldiers in the second world war used meditation to lose their sense of self, and to “become” the orders that they received. Should society at large be more aware of these possible negative consequences?
New Scientist No. 3021, 16th May 2015, p.28 -29.