What causes alcohol addiction? Study investigates

What causes alcohol addiction? Study investigates

Is a faulty signaling mechanism in the brain area that processes emotion the reason that only a minority of those who drink alcohol become addicted to it?

Researchers in Sweden and the United States suggest that this might be the case after studying alcohol addiction in rats.

They found that the rats that became addicted had an impaired brain mechanism similar to that seen in postmortem brain tissue from humans who were addicted to alcohol.

Full story at Medical News Today