Smog. Pollution. Toxicity. Do these words make you feel tense? In a post modern world we are surrounded by chemicals. While most of the chemicals are benign, but some are not. Our bodies may have trouble processing all of the chemicals we come in contact with. Our digestive tracts often take the biggest hit. The good news is that there are herbs that can help purify our bodies. Among those herbs are catnip, fennel and dandelion. This book will help you understand how ancient wisdom and scientific study combine to harness the power of healing herbs.