My first step down the holistic path, over ten years ago, was learning basic Aromatherapy. In conjunction with dietary and environmental modifications, Aromatherapy facilitated me in weening myself off of asthma medication which I had been on for half my life.
Before delving into the fragrant world of Aromatherapy though, it is important to educate yourself. My very first Aromatherapy book was, "500 FORMULAS for AROMATHERAPY." To this day, I reference it often.