Cigarettes are delivery systems for one of nature's most addictive substances.

That's some endorsement for a treatment that simply replaces one addictive substance with another.

Some of the products contain addictive substances designed to make consumers dependent on them.

The underlying issues that have created the addiction to an addictive substance.

In particular, patients are generally encouraged, or possibly even required, to not associate with friends who still use the addictive substance.

Together, the two women worked to give up the addictive substances that had worked so hard against them.

Stay that way, because it's the most addictive substance on the planet.

News reports said crack was the most addictive substance of all, and prisons started to fill with people who once might have received help instead.

See drug pictures to learn more about drugs and addictive substances.

We need to gather together all the forces for good in the battle against harmful, addictive substances.