I think parallel tests are needed to determine what the true effects of usage are. Testing alcohol, prescription drugs and so on in parallel trials might give us an idea of what is happening when "foreign" substances are taken into the body.

Guarantee, somebody smoking weed and eating a diet heavy on fast foods will experience memory loss due to multiple factors - one major one being the crappy nutrition provided by Big Macs and Whoppers.

It's been almost 50 years since I last used the stuff and my memory of bad nights of drinking far outweigh whatever "long term effects" may be present with weed.

Being drunk creates violent reactions in the body. You can almost hear the last gasp of life as cells throughout the body keel over.

Good article.