Neuroscience

Change in brain cells linked to opiate addiction, narcolepsy

Two discoveries—one in the brains of people with heroin addiction and the other in the brains of sleepy mice—shed light on chemical messengers in the brain that regulate sleep and addiction, UCLA researchers say.

Obstetrics & gynaecology

Patients use about half of opioids prescribed after hysterectomy

(HealthDay)—Gynecologists prescribe about twice the amount of opioids than patients use after hysterectomy for benign, nonobstetric indications, according to a study published online Nov. 7 in Obstetrics & Gynecology.

Arthritis & Rheumatism

Morphine effects similar to placebo in rheumatoid arthritis

(HealthDay)—For patients with chronic fatigue syndrome (CFS)/fibromyalgia (FM) or rheumatoid arthritis (RA), morphine has anti-hyperalgesic effects comparable to placebo, according to a study published online July 19 in ...

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