"people used the cocoa leaf to make a tea they drank all the time" It's really hard to quantify what effect has been of this. Bolivia by all metrics is an unde

"people used the cocoa leaf to make a tea they drank all the time" It's really hard to quantify what effect has been of this. Bolivia by all metrics is an underdeveloped country. Has this contributed to it or not? No way to really know.. Also I'm not convinced about the social effects of heroin. I think it DID have effects on society and that's why it was eventually outlawed.