Please trust me. This is one of the only ways and most effective ways to get healed, and it takes dramatic effort and concentration on your part. You will be fighting for your life, so you will have to follow these practices thoroughly. I had my episode that caused HPPD in and I live in the SF Bay Area, so there has been almost 50 years of experience with thousands of people dealing with HPPD symptoms and they usually get into these types of practices, since it's logical. Since, these things are everywhere there is no other choice as an HPPD sufferer than to take advantage of these things