In a recent large-scale American review of meditation research, Acem Meditation is referred to 31 times, and seven studies on Acem Meditation are evaluated.
The 500-page evidence-based review, Meditation Practices for Health: State of the Research by Ospina et al. (2007), was put together by independent researchers at the behest of the Agency for Healthcare Research and Quality under the U.S. Department of Health and Human Services. Most of the studies are on high blood pressure, cardiovascular diseases and drug abuse. The review concludes that meditation has a positive effect on high blood pressure and other problems. The complete report is available here.