Contemporary sociologists do not actually differentiate between cults and ‘new religious movements' (NRMs), but see them rather as similar human phenomena, according to Lorne L. Dawson, author of Comprehending Cults: The Sociology of New Religious Movements.
MORE: http://www.americanhumanist.org/HNN/details/2012-10-why-new-religions-the-sociology-of-cults-and-the-nee