As deaths involving prescription drugs increase, who is supplying demand on the streets?
Opioid prescriptions have rocketed in the UK in recent years - how worried should we be?
Painkillers in sport - the legal doping risking the long-term health of athletes.
Professor Andrew Hussey explores whether heroin use creates a particular aesthetic style.
Sally Marlow investigates why many jazz musicians turned to heroin in the post-war period.
Did marketing help fuel the UK's opioid addiction 'crisis'?
Sally Marlow investigates the hidden problem of addiction to over-the-counter painkillers.