That is a tough one, since the colon has a huge influence on the performance of the small intestine. Having had colon cancer, doing liver cleanses is very important. When doing so, however, your friend must make sure to drink additional water druing the flishing period to prevent dehydration. Since the colon is responsible for reabsorbing a large amount of water and minerals, not having one can affect fluid balance in the body. When doing any form of cleaning, drinking extra water is essential. In general, your friend may need to take Ionic Minerals in liquid form, due to loss of excessive amounts of minerals. Eating a diet based on body type is also important, and so is eating the main meal at midday, and sleeping before 10pm. All this will aid digestion (more details in The Key...)

Andreas