Some "alternative" treatments for PTSD may have validity, however, to adequately conduct controlled studies on such is a problem. Personally, I have no problem with most of them, just don't call it medical treatment and don't have the government and/or health insurance pay for them.
Scuba, Parrots, Yoga: Veterans Embrace Alternative Therapies for PTSD
SCIENCE (from the Latin for 'knowledge') informs wisdom, reason and humanism. This is a 4-legged worldview within reality that maximizes well-being for individuals and society.