Amy Winehouse was notorious for her substance abuse and health problems. The singer, who had suffered through numerous traumatic incidents in her personal life, struggled with drinking, and, despite rehab, relapsed shortly before her death. Winehouse was found dead in 2011, her death subsequently ruled misadventure due to acute alcohol toxicity, with blood alcohol content at nearly 5 times the legal driving limit. Winehouse had struggled with substance abuse alongside mental health problems for most of her life, and moved in and out of rehab several times before her death.