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Dr. Pagan and other researchers say environmental and genetic factors could provide clues for diagnosis, treatments and a cure.

帕甘博士和其他研究人员说，环境和遗传因素能够提供线索，从中找到诊断、治疗和治愈的方法。

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There is no cure for ALS, and the few available treatments have limited efficacy. About 90 percent of ALS cases are sporadic and of unknown, possibly environmental, origin.

肌萎缩侧索硬化不能治愈，几乎没有有效地治疗方法，大约90%的病例是散发的，未知的，可能与环境有关。

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But Friends of the Earth argues this is just the first of a huge number of new schemes which could create as many environmental problems as they cure.

FORBES: Biomass Won't Solve Climate Change Either