It's useful from the perspective that QCK shows you exactly what you need to hear and realize about yourself. Your body is very specific. When it has a condition, there is something it's trying to tell you about who you are internally and what you need to change about yourself to live your best potential. QCK is the medium and the catalyst which enables quantum understanding and quantum change through showing you what to work on and how.
It's useful from the perspective that QCK shows you exactly what you need to hear and realize about yourself. Your body is very specific. When it has a condition, there is something it's trying to tell you about who you are internally and what you need to change about yourself to live your best potential. QCK is the medium and the catalyst which enables quantum understanding and quantum change through showing you what to work on and how.