I tried fasting once, but I got hungry in four hours, so I gave it up.
Really, everything carried to extremes is unlikely to be good for you. Your body needs nutrients, if in less quantity than many of us indulge in: and this idea of ‘cleansing the body of toxins is ridiculous. Just eat healthy foods and you won’t have to worry about toxins. Everybody talks about food additives and cancer, but the facts are that the frequency of most cancers has gone down in the last 50 years. Stomach cancer is a great example. It has decreased by 66% over the last 50 years. This is widely attributed to food preservatives—the very chemicals that most health food gurus eschew.