I am stuck as to how to solve this habitual problem, although I have started to take st John's wort, which my GP recommended.

尽管我服了医生推荐的药，但对这种习惯性问题仍是不知所措。

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SUPPLEMENTS are all the rage: evening primrose oil; St John's wort; fish oils; glucosamine; selenium; zinc; iron; molybdenum; probiotics.

营养品日新月异夜用樱草油、冠叶连翘提取物、鱼油、氨基葡糖，硒、锌、铁、钼、益生菌。

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Other research has shown that St. John's wort can interact unfavorably with other medications, including those used to control HIV infection.

其他研究显示，圣约翰草可以与其他药物发生不良反应，包括用于控制HIV感染的药物。

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"We would never encourage irresponsible marketing of St John's Wort, " he told the BBC.

BBC: Herb 'helps ease depression'

The flax-leaved St John's Wort is now spreading at Craig y Dre in Tremadog, according to Natural Resources Wales (NRW).

BBC: St John's Wort boosted by Gwynedd cliff scrub clearance

So to discover that a plant like St John's Wort has pharmaceutical properties does not rock me back on my heels.

BBC: 'Natural doesn't always mean best'