A Comprehensive and Informative Guide to Intermittent Fasting If you have ever heard of intermittent fasting before, you may be interested in how it works, the benefits it offers, any side effects it may cause, and the dietary guidelines behind this dieting concept. For many, the idea of intermittent fasting may seem difficult to master or like a potentially unsafe activity that could cause complications in a person's life. While there are some potential downsides and side effects associated with intermittent fasting, they are only truly problematic if a person isn't careful. That's why ...