Winehouse charity launches on her birthday

Closed captioning of: What killed Amy Winehouse?

>> to the latest on the untimely death of singer amy winehouse . according to her family toxicology reports show the 27-year-old had no illegal drugs in her system when she died last month. nbc's michelle kosinski is in london with details on this. michelle, good morning.

>> reporter: hi, ann, good morning. fans have been coming here and buying her music. her album went back to number one after her death at 27. everything the world knew about her addictions, now we know what did not kill her, but what did remains a mystery. amy winehouse did go to rehab, several times in her short life. now the mystery deepens into her tragic death. toxicology reports showing no illegal drugs in her system.

>> the media may have been rather technical, this almost a very sad story, rather more positive end because perhaps amy really was in the right path to, you know, clean house , as it were. but maybe her body just gave out in the end.

>> reporter: the results, which are preliminary, do show some alcohol. amy 's family said in a statement, results indicate that alcohol was present, but it cannot be determined as yet if it played a role in her death. however, no mention whether there were any legal prescription drugs in amy 's system which can kill when taken incorrectly. amy was found unresponsive if her bed by her bodyguards at her london home last month. in one of her last appearances just a month earlier, fresh out of alcohol rehab, supposed to be a comeback concert, it is difficult to watch, disaster. her family says she immediately canceled her tour, cleaned up her personal life , and those who saw her the day before she died, including her doctor, felt she was healthy. what did end amy winehouse 's exceptional life? still an unanswered question. amy 's family said they think her death might have been caused by her suddenly quitting alcohol. though doctors advised her to cut back gradually. now we know there was alcohol in her system, and more testing needs to be done. ann?

Source: http://today.msnbc.msn.com/id/44515217/ns/today-entertainment/

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