Barrymore is understood to have been undergoing further treatment for alcoholism and drug addiction during the period since the party.

BBC: Barrymore's turbulent life

Treating drug addiction as a public-health problem (emphasising treatment and harm-reduction) rather than a crime to be punished would go a long way towards making America's poor and minority communities stabler and better.

ECONOMIST: A look at America's sentencing system

Number one, the United States can focus on drug treatment and prevention, and helping people deal with addiction, making sure that young people are not getting hooked on drugs.

WHITEHOUSE: The White House

The family statement also appeals for donations in Eva Rausing's name to a drug awareness and treatment fund, or to the UK charity Action on Addiction, which she supported.

CNN: Billionaire's son in court over death of wife, Eva Rausing

"There will be an increase in the drug trade and the people that fall into addiction will not, unfortunately, access treatment, " Claudio Izaguirre, director of the Argentine Anti-drugs Association told Reuters.

BBC: Argentina rules on marijuana use

Hours after the hearing, Millicent Tidwell, acting deputy director of licensing and certification for the California Department of Alcohol and Drug Programs said Morningside is not licensed to perform residential in-patient rehab or addiction treatment and lacked the appropriate license to provide residential treatment or recovery programs.

WSJ: Lohan probation in jeopardy after rehab departure

The National Institute of Alcohol Abuse and Alcoholism is watching new human trials of the antiseizure drug topiramate (Topamax) to study the effectiveness of dual treatment for alcohol and cocaine addiction.

FORBES: Reinventing Rehab