What Does “Overall Harm Caused” Really Mean in Following Context?

Question by Mehran: What does “overall harm caused” really mean in following context?
Drug-trafficking,which is considered to pose the greatest threat to the UK in terms of organized criminal involvement, the illegal proceeds obtained, and the overall harm caused.

Best answer:

Answer by Bryan
It means all the harm caused by drug trafficking, like injuries to people, destruction or damage to property, and anything else that is harmed by the drug trafficking industry.

Answer by Barbara
I think the overall harm caused refers mainly to the effects of drug addiction on society as a whole. Many addicts wind up losing everything—their spouses, children, families, friends, homes, jobs, even their lives.

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