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@dennisrider12 - You might consider reading a book titled "Spirit Tech: The Brave New World of Consciousness Hacking and Enlightenment Engineering". It addresses exactly what you're asking about.
Is not that strange, consider tDCS works by stimulating the brain with electro magnetic stimulations. With full magnet I would worry of the reaction of the brain in time. Usually tDCS stimulations is done max for 2 hours or most much less.
Plus the brain tents to build resistance to changes in the long term. And requires changes to the stimulation.
@bretbernhoft Thanks for the book.