Caffeinated alcohol behind teen's death

Experts warn against the growing trend of mixing alcohol and energy drinks

A cocktail of alcohol and energy drinks mixed according to an online recipe appears to be behind the death of a teenage girl in Sydney this week.

Fifteen-year-old Paris Kamper was found unconscious in her home on Friday night and rushed to Westmead Children's Hospital, where her blood alcohol content was recorded at a lethal .40, according to media reports.