Is it safe to fast for any amount of time?

Is it safe to fast for any amount of time?

Andrea Giancoli (Registered Dietician ) gives expert video advice on: What are the dangers of the Master Cleanse?; Can a diabetic try the Master Cleanse?; Who should never consider the Master Cleanse? and more...

Fasting for a day or two, for healthy people, isn't necessarily unhealthy. Most people can bounce back from that. It's the long term fasting where we start to see detrimental effects to our body.