alekth on 14 December 2010
http://www.behind-the-tm-facade.org/transcendental_meditation-harmful-abstracts.htm
http://www.prem-rawat-maharaji.info/index.php?id=31
Those list the mentioned effects plus others. Not sure whether that's what you're looking for, I simply googled meditation harmful.
A family friend's daughter actually probably got some of that. Never asked too much about it obviously, but she got into some yoga meditation thing in France and ended up in a mental institution.
