Do or did the following people participate in brain scan studies about the effect of mediation & sell next to it products on YouTube?

Last Updated on May 5, 2024 by pg@petergamma.org

Vanja Palmers?

Matthieu Richard?

Rob ter Horst?

We reported about what they sell on YouTube, but if they participated in brain scan studies as well, who has these scientific data? What is your opinion about this topic? Write it in the comments below?