Dr. Dirk Proeckl and Dr. Engelbert Winkler
More on these two guys: Dr. Proeckl is a consultant neurologist with his own practice in Austria. Likewise Dr. Winkler has
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Can this light make you high? - BBC News
BBC journalists try out a light which its makers say can lift you into a state of incredible relaxation - but not all enjoy the experience.
http://www.bbc.com/news/av/technology-31505862/can-this-light-make-you-high