The horrifying effect that drugs can have on addicts has been highlighted in a series of disturbing pictures and video.
The campaign, launched by Rehabs.com, uses photographs which show American drug users in various stages of addiction.
The before shots show healthy-looking individuals - but the after shots show the same faces several years later, raged by drug addiction.
Blotchy skin, gaunt features and wrinkled skin make them, at times, almost unrecognisable.
And it is a stark reminder to all of us why drugs are never the answer:
The National Council on Alcohol and Drug Dependence, Inc. offers a list of signs to help identify whether someone is using illegal drugs, as well as indicators that someone is already dependent.
These include:
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The inability to stop using
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Needing more and more drugs to feel the same effects
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Spending less time on activities they used to find important
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Experiencing withdrawal symptoms when they stop using
A 2012 study found that 4.5 million Americans were dependent on illicit drugs, and millions more had used illegal drugs in the month before the study.
Rehabs.com aimed to raise awareness about what can stem from the more casual use of drugs.
"Use of these dangerous drugs can easily lead to addiction," they wrote.
Do you feel this was an effective drugs awareness campaign?