amenorrhea, jaundice, and polyuria. The plant is deadly if improperly prepared; causing pulmonary edema, cerebral hemorrhage, seizures, and high fever. Chrysanthemum flowers Chrysanthemum flowers (Ju Hua) are used in TCM to treat headaches, fever, dizziness and dry eyes. They are also used to make certain beverages. Chrysanthemum flowers are believed to "brighten the eyes, pacify the liver, break blood, clear heat, stop dysentery, disperse wind, relieve toxicity, and regulate the center". Cocklebur fruit Cocklebur fruit (Xanthium, cang er zi) is one of the most important herbs in TCM, and is commonly to treat sinus congestion, chronic nasal obstructions and discharges, and respiratory allergies. The plant is mildly toxic and can cause gastrointestinal upset. Crow dipper Pinellia ternata is believed under TCM to be the strongest of all TCM herbs for removing phlegm. Active ingredients of this herb include: methionine, glycine, β-aminobutyric acid, γ-aminobutyric acid, ephedrine, trigonelline, phytosterols and glucoronic acid. Care should be taken as crow dipper is toxic. Croton seed Seeds of Croton tiglium are used in TCM to treat gastrointestinal disorders, convulsions, and skin lesions. They are often used with rhubarb, dried ginger and apricot seed. Care should be taken as the seeds are toxic and carcinogenic. Dioscorea root In TCM, Dioscorea Root (Radix Dioscorea, Huai Shan Yao or Shan Yao in Chinese), benefits both the Yin and Yang, and is used to tonify the lungs, spleen and kidney. It can "be used in large amounts and 30g is suggested when treating diabetes". If taken habitually, it "brightens the intellect and prolongs life". Ginger Ginger root, Zingiber officinale, has been used in China for over 2,000 years to treat indigestion, upset stomach, diarrhea, and nausea. It is also used in TCM to treat arthritis, colic, diarrhea, heart conditions, the common cold, flu-like symptoms, headaches, and menstrual cramps. Today, health care professionals worldwide commonly recommend ginger to help prevent or treat nausea and vomiting associated with motion sickness, pregnancy, and cancer chemotherapy. It is also used as a treatment for minor stomach upset, as a supplement for arthritis, and may even help prevent heart disease and cancer. Ginkgo Ginkgo biloba seeds are crushed and believed under TCM to treat asthma. G. biloba has been used by humans for nearly 5,000 years. However, further scientific studies are needed to establish the efficacy of G. biloba as a medicine. Ginseng Ginseng root is the most widely sold traditional Chinese medicine. The