Neuroscience

Cocaine addiction traced to increase in number of orexin neurons

A study in cocaine-addicted rats reports long-lasting increases in the number of neurons that produce orexin—a chemical messenger important for sleep and appetite—that may be at the root of the addiction. The study, performed ...

Addiction

Study reveals new mechanism in nicotine addiction

Part of the reason people find smoking difficult to quit is that each time they have a cigarette, feelings of craving, irritability and anxiety melt away. This component of addiction is known as negative reward and is controlled ...

Medications

New lockbox helping curb opioid addiction

Addiction treatment centers have long had trouble retaining patients in medication assisted treatment. However, medication-assisted treatment is an approach used for addiction recovery that utilizes medications like Suboxone, ...

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