I got this from the Quantified Self site.  It is a video by Jim McCarter, M.D. PhD of his talk at QS15 on the Effect of A Year in Ketosis. Posted on December 16, 2015 by Gary Wolf

In this fascinating short talk by geneticist Jim McCarter, we see detailed data about the  effects of a ketogenic diet: lower blood pressure, better cholesterol numbers,and vastly improved daily well being.  Jim also describes the mid-course adjustments he made to reduce side effects such as including muscle cramps and increased sensitivity to cold.

I also found it interesting the report on his talk published in Business News.  That article gave many of the negatives including the necessity of adding salt to the diet.  Of course, there was no balancing of that warning by detailing the effects of Ketosis on the bodies retention of salt.  No surprise there.

Check out the video.