No wonder we're addicted to junk food. Neuroscience shows food packaging affects our enjoyment of these foods, and plays on the same brain processes as hard drug addiction.
West Australian Labor leader Mark McGowan said his state has the "worst rate of methamphetamine usage in the country". We asked the experts to check the evidence.
Drug use is down – but that's a long way from the whole story.
Thousands of Australians go to residential drug and alcohol rehab programs every year. But is there evidence rehabs, as well as the group therapy they often rely on, actually work?
A public health programme respected locally, lauded globally, and based on the best science for helping homeless crack users, is at risk of falling victim to Brazil's partisan politics.
Some think labelling it a disease is a helpful way to think about addiction; others think this makes the addict helpless in their fight against addiction. Two academics debate both sides of the coin.
The FDA just approved a new implant of a drug that treats opioid addiction. Why hasn't the drug been prescribed more widely already?
What exactly is addiction? What role, if any, does choice play? And if addiction involves choice, how can we call it a "brain disease," with its implications of involuntariness?
It's not just energy-hungry pot farms: the ties between energy and drugs run deep. Can we develop a national drug policy drawing on the lessons of the domestic oil and gas boom?
We don't know enough about the people who use painkillers non-medically to make the judgement that there is a natural transition from legal to illicit drug use.
Changing drugs laws can have some very unexpected consequences.
Hoping to avoid the pitfalls and tropes of drug genre photography, documentary photographer Aaron Goodman spent a year following three addicts enrolled in a heroin-assisted treatment program.
Be careful: many of us have tried at least two of them.
With use of drugs such as ice on the rise, drug consumption rooms are now being set up in Europe to provide supervised inhalation.
Why have the demographics of heroin use changed so much? For that, we can look to dramatic increase in prescriptions for opioid painkillers, such as Oxycontin or Vicodin.
Penalties for drug traffickers in Iran are harsh but it also has progressive policies for addicts. Is it time to go further?
Stigma toward heroin use might prevent a lot of people from using the drug, but these attitudes don't help people who are dependent.
The way you take a drug affects how much of it gets to your brain, and how rapidly drug levels rise and fall.
There's a worrying lack of evidence for what works when it comes to drug treatment. And our addiction services are suffering as a result.
Not only can they improve public health and decrease treatment costs, but they can also address one of the root causes of addiction: loneliness.