Stuart from Edmonton, Canada wrote us with this question, "I've just been promoted to sales manager and am looking for some recommended resources."

一位加拿大的听众斯图亚特来信问道：“我刚刚升为销售经理，希望你能给我推荐一些资源。

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Prof Pennington recommended that resources be made available to ensure businesses got to grips with food safety management.

BBC: Safety call after E.coli inquiry

However, it recommended more resources for research on the chemistry, pharmacology, acute harm, and the social harms of legal highs.

BBC: Legal highs need more controls, say drug council

To assist them, Diane recommended the following resources, all of which remain good sources of information today.

FORBES: Negotiating Safe Sex