Fast This Way: How to Lose Weight, Get Smarter, and Live Your Longest, Healthiest Life with the Bulletproof Guide to Fasting

In the Immunity fast section, Dave Asprey talks about fighting a bacterial infection with fat and protein but having some carbohydrate or glycogen during a viral infection. I added sugar in my tea when I had sniffles.

This book also has a special section on intermittent fasting caveats for women.