卡瓦卡瓦（Piper methysticum）

Kava kava (Piper methysticum) is said to elevate mood, well-being, and contentment, and produce a feeling of relaxation.卡瓦卡瓦（Piper methysticum）被认为可以提高情绪，幸福感和满足感，并产生放松的感觉。 Several studies have found that kava may be useful in the treatment of anxiety, insomnia, and related nervous disorders.几项研究发现，卡瓦酒可用于治疗焦虑症，失眠症和相关的神经疾病。 However, there is serious concern that kava may cause liver damage.但是，人们非常担心卡瓦酒可能会引起肝脏损害。 It's not clear whether the kava itself caused liver damage in a few people or whether it was taking kava in combination with other drugs or herbs.目前尚不清楚卡瓦酒本身是否会在少数人中引起肝脏损害，或者是否与其他药物或草药合用时服用卡瓦酒。 It's also not clear whether kava is dangerous at previously recommended doses, or only at higher doses.还不清楚卡瓦在以前推荐的剂量下还是仅在更高剂量下是危险的。 Some countries have taken kava off the market.一些国家已经将卡瓦酒撤出市场。 It remains available in the United States, but the Food and Drug Administration (FDA) issued a consumer advisory in March of 2002 regarding the "rare" but potential risk of liver failure associated with kava-containing products.它在美国仍然可以买到，但是美国食品药品管理局（FDA）在XNUMX年XNUMX月发布了一项消费者咨询，内容是与含卡瓦产品相关的“罕见”但潜在的肝衰竭风险。