Don't forget your doctor
Recent research has shown that a lot of ill health is diet related, and avoidable, but this does not mean that all ill health can be cured by a change of diet.
There are many infectious and contagious diseases that can only be prevented by vaccination, and the risks to health from vaccination is far smaller than the potential risk from not being vaccinated, and catching the disease.
There are many other conditions where it is only the skilled diagnosis of a qualified medical doctor and following the proper prescribed treatment can effect a cure.
If you think you are ill you should consult a doctor. This book is not a substitute for the doctor's medical experience.