Too many testimonials and not enough science in this book? Yeah, I suppose I could agree with that statement. I'm nuts to find out how things that intrigue me work. Chapter 6 touches on an explanation but, I'd like to know more theory. This book is popular science. If you're hoping for something targeted for a health professional, you're going to be disappointed.

I had sinus surgery and purchased this to help irrigate the sinuses -- it has made the healing process much quicker and helps clean out the gunk that accumulates because of the surgery -- I've been using it daily and will continue to use it as it seems that breathing through my nose is easier and I don't have the buildup that I have had in the past.