How do I rid myself of Dr. Oz and his green coffee beans?

About two months ago, I began receiving unsolicited e-mail from friends that contained a promotion for Dr.Oz who was encouraging people to buy green coffee beans. Purportedly, the beans were being sold in a store in the remote New Mexico village where I live. Now, one of my CA friends is getting the same promotional garbage from me.

Can anyone tell me how to rid myself of this nonsensical spam?