Family's doctor is speculation that alcohol withdrawal may have killed her.
Report: Amy Winehouse's Family Believes Alcohol Withdrawal Led to Her Death - The Famous - omg! on Yahoo
I also heard this on the AM radio. A small percentage of people who abuse alcohol so severely when they go cold turkey, the withdrawal symptoms are so bad, the body can't handle it. In a few weeks we will find out the toxicology reports and see if she died from this or from an OD.