Young people may be at particular risk.
Few teens use MDMA and scare tactics, like those we've seen recently, are unlikely to reduce existing drug use further.
A person's drug experience can be influenced by many different things, such as heat, access to water and dosage.
There's no evidence drug use is a barrier to job seeking. And testing can't distinguish between one off, irregular or regular use.
Residential drug rehab programs usually last for around eight weeks and include everything from counselling sessions to household chores, which help build connections and support between residents.
People who use party drugs say it gives them energy to dance and socialise, reduces their inhibitions and enhances their feelings of connection to others.
Some drug and alcohol programs
currently used in prisons have little evidence to support them.
Cannabis use is linked to psychosis, but only a small number of users will experience it.
Social Services Minister Christian Porter told Q&A that 'rates of drug use amongst unemployed are 2.5 times higher than amongst employed people'. Is that correct?
The proportion of population who use legal and illegal drugs has remained stable or trended down. Fewer young people are using, but the proportion of older people using drugs and alcohol has grown.
There's no legal reason why Victoria can't have its own medically supervised drug injecting room to prevent more overdoses, despite political setbacks.
Victorian Police Chief Commissioner Graham Ashton said conducting on-site drug tests at public events "safely and quickly is not really a practical option". But the technology is available.
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.
Ice increases the risks of psychosis, violence and impulsivity, and decreases emotional control. So what can families really do?
Why would the Philippine president risk alienating an important and generous ally?
There is a potential for significant harm in Australia if we don't have adequate systems in place to monitor our drug markets and respond rapidly when specific dangers are detected.
Around 2.3% of Aboriginal and Torres Strait Islander Australians 15 years and over report using speed or amphetamine in the past year. This is similar to the general population.
With use of drugs such as ice on the rise, drug consumption rooms are now being set up in Europe to provide supervised inhalation.
Many untested drug therapies are expensive at best and potentially dangerous at worst. So what treatments do work for ice and other drug users?
Naloxone, commonly known as Narcan, is a medicine that temporarily reverses the effects of opioid drugs such as heroin, morphine and oxycodone.