University of New South Wales

Opiate drugs increase vulnerability to stress

Published in Law and Health Weekly, September 17th, 2005

A new study has found that opiate drugs such as morphine leave animals more vulnerable to stress. This means that stress and opiates are in a vicious cycle: Not only does stress trigger drug use, but in return the drug leaves animals more vulnerable to stress.

The study, conducted at the University of New South Wales, helps to explain why people who use opiates such as heroin have very high rates of anxiety problems, including post-traumatic stress disorder, even after they stop using. That emotional fragility can also make them more likely to start using again.

The study appears in Behavioral Neuroscience. Understanding how opiate users...

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Source: Law and Health Weekly (2005-09-17)

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