People have taken mood- altering substances in various forms since time began.

Like many mind- altering substances, there are lessons there if you want to learn them.

Don't dull your senses with substitute people or mind- altering substances.

Drugs like LSD, Cannabis and Ecstasy are all mind- altering substances which affect the brain.

My over confidence in trying mind altering substances has, I fear, gotten the best of me.

And some percentage of humans will seek out mood- altering substances or experiences that imperil their lives.

The government wants to stop the sale of all mind- altering substances apart from alcohol, tobacco and caffeine.

He accused Labour of taking "policy altering substances" and being gripped by utter confusion .

But how much of this is the result of projecting our own fascination with mind- altering substances onto other animals?

The medieval phenomenon has been variously attributed to extreme stress, mass hysteria, and the accidental ingestion of mind- altering substances.

A couple of days at the Kilkenny Arts Festival can be akin to a close encounter with mind- altering substances.

The use of "mind- altering substances" has ruined and is ruining the lives of too many people worldwide.

He has been intimately acquainted with several mind- altering substances and, for a period, was for all practical purposes an alcoholic.

Now, with the US publication of Writing on Drugs, Plant has added mind- altering substances to her litany of chaos agents.

Unlike other mood- altering substances, it has developed a cool allure and users think themselves to be edgy and exciting insiders.

Then again, humans also fight over small bits of compressed carbon, tracts of dirt, addictive mind- altering substances and soccer matches.