Much more clinical evidence is needed to substantiate medical benefits associated with the ketogenic diet. However, many people have experienced significant health improvement following ketogenic diets even when medications and other forms of treatment have failed. Currently the investment required to prove the effectiveness of medications is several billion dollars, so it will take time for the equivalent amount of evidence to be gathered about the ketogenic diet.
Individuals who wish to take responsibility for their own health should critically analyze the available information - keeping in mind that profit drives: corporate media, the news, TV programs, the information you read online and consumer advertising. There is significant bias depending on who is presenting you with information!
It has been seen that a nutritionally balanced ketogenic diet can help improve and even reverse a range of chronic diseases, including :
Parkinson's & Alzheimer’s
Type 2 Diabetes and Pre-diabetes
Chronic fatigue syndrome
PCOS and some fertility issues