Ketosis is not going to mess with a healthy person. Obviously if you have something like kidney problems then it could put a real strain on your kidneys if they are not healthy. If you have preexisting conditions obviously _any_ diet should be carefully monitored by your physician.

I've done ketosis for 5 years, and now on and off for 2 years later. I had a full blood lipid panel done and it went well.

Volek and Phinney have good literature for learning more. What problems did your dad encounter?

Issues with kidneys.