Many plant substances are powerful medicines. Where single chemically derived drugs may address only a single problem, botanical medicines are able to address a variety of problems simultaneously. Their organic nature makes most botanicals compatible with the body's own chemistry; hence, they can be gently effective with few toxic side effects.
A few commonly used botanical medicines for cancer treatment include:

• Artemisia, also known as wormwood is being researched as a safe, non-toxic, and inexpensive alternative for cancer patients. 
• Essiac tea is a herbal formula composed of Burdock, Indian Rhubarb, Sorrel, Slippery Elm and other ingredients. It was developed by a nurse in Canada, Rene Caisse (Essiac is Caisse spelled backward). Caisse gave the formula to a company in Canada who markets the product today. Many naturopathic doctors use Essiac to help cleanse the blood, especially if a patient has been on chemotherapy or radiation.
• Hoxsey is a herbal formula composed of poke root, burdock root, barberry root, buckthorn bark, and stillinga root. It is administered in two forms. One is taken orally and the other is a salve (containing blood root) which, if the tumor is on or close to the surface of the skin, is applied topically.
• Pau D'Arco is an extract from the inner bark of a certain South American tree. Lapachol, the active ingredient, can produce strong biological responses against cancer. It is said that the Pau D'arco tree yields lapachol and twenty other compounds that may be useful in treating cancer, lupus, diabetes and Hodgkin's Disease.
• Red Clover: Research on this herb by the National Cancer Institute researched has found four anti-tumor compounds in red clover.
• Saw Palmetto is often used in the treatment of prostate cancer.

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