Ten to fifteen years is the average time between finding the plant, [identifying its exact use] and patenting it into a drug [so] it is a long-term investment.

找到一种植物，[辨别它的确切用途]然后申请专利并制成药物所需要的平均时间是十到十五年，[所以]这是一项长期投资。

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They inserted the human insulin gene into the common safflower plant, which churns out the drug for a fraction of the cost.

他们将人类胰岛素基因植入普通的红花植物中即可产出胰岛素，但成本只是一小部分。

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WHO recommends combinations that contain derivatives of artemisinin — a substance extracted from the plant Artemisia annua — along with another effective antimalarial drug.

世卫组织建议使用含青蒿素副产品和另一种有效抗疟药物的联合化疗。 青蒿素是从青蒿植物中提炼出来的一种物质。

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"This implies risk, since the absence of medical supervision and the variability of the active drug substances contained in the plant make it very difficult to ensure correct dosing and follow-up of consumption, " it says on its website.

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The drug is made from the cannabis plant and contains more than 400 different chemicals, which could have a range of effects on the mind and body.

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The U.S. Food and Drug Administration last month inspected a company manufacturing plant in Minnesota and found no problems that could have caused the defect.

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