Neuroscience

Nicotine gives brain more codeine relief, risk of addiction

According to new research in rat models, nicotine use over time increases the speed that codeine is converted into morphine within the brain, by increasing the amount of a specific enzyme. It appears smokers' brains are being ...

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 ...

Neuroscience

Codeine could increase users' sensitivity to pain

Using large and frequent doses of the pain-killer codeine may actually produce heightened sensitivity to pain, without the same level of relief offered by morphine, according to new research from the University of Adelaide.

page 4 from 13