California has ruled that products containing roasted coffee beans have to come with a carcinogen label. The high heat roasting process causes the formation of acrylamides from starches in the beans. newbielink:http://www.bbc.com/news/world-us-canada-43594645 [nonactive] newbielink:https://www.theguardian.com/world/2017/jan/23/toast-thats-a-bit-too-brown-may-cause-cancer-say-authorities [nonactive]