Many of the Hay House authors have Ph.D.s which have been granted by degree mills such as Carolyn Myss, Emoto, John Gray, Barbara DeAngelis, and as for Doreen she got her education from Clarkson University but I believe is no longer accredited as a licensed psychologist. The best measure of someone's effectiveness is their life when no one is watching and how stable it is.
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Multi Level Marketing and Commercial Schemes