Many people are diagnosed with IBS - a catch-all for chronic gut problems for which no cause can be found - but what if a parasite named Giardia lamblia were the cause? Medical herbalist Susan Koten explains in detail in a step-by-step approach how to detect and treat this common but under-recognised parasite using natural herbal medicine. Based on many years of helping tackle digestive disorders, she explains the signs, symptoms and treatments for both lay persons and professional naturopathic therapists. Understanding what Giardia is - and its connection with the malaria parasite - is key to overcoming it. Throughout she includes case studies to explain and illustrate her approach. Anyone with unexplained digestive problems should investigate this.