1: Olympic Level Meditator Yongey Mingyur Rinpoche: who participated in the PNAS study from 2004 about this topic. 2. Olympic Level Meditator Matthieu Ricard: who participated in the PNAS study from 2004 about this topic also. 3. Lead Scientist Richard Davidson, last author of the PNAS paper from 2004: We don t know, almost twenty …