After prolonged use, cannabis is addictive and people using cannabis regularly develop dependence and tolerance to it.
cannabis
Cannabis: what is it?
Cannabis is a drug derived from Indian hemp plants such as cannabis sativa. Its main active chemical is THC.
Video: Opioid overdose
Opioids are morphine-like drugs used to treat pain, and include medicines such as codeine, fentanyl and oxycodone. They aren't effective for treating chronic pain and are potentially dangerous.
Hangover symptoms: what happens to your body when you have a hangover
Discover the most common and lesser known hangover symptoms, how it affects your body and how to improve your symptoms.
Cocaine: what are the effects?
Read about the various effects of taking cocaine from the immediate effects of the rush to the crash that can follow afterwards and the long-term effects of cocaine use.
Quitting smoking
Many people are quitting smoking and feeling the benefits. Most people who finally give up the habit have had more than one attempt.
Smoking risks more than you think
While most Australians know smoking causes lung cancer and heart disease, many aren't aware of other risks such as erectile dysfunction, female infertility, diabetes and colon cancer.
Heavy drinking a risk factor for dementia
Researchers have found heavy drinking is associated with the development of dementia – particularly early-onset dementia.
Animation: effects of smoking
The effects of smoking on your body and your mind can be viewed by clicking the body part on this interactive animation.
Alcohol: how much is too much?
Too much alcohol can be bad for you. Find out the recommended Australian limits for men and for women, and for specific groups such as pregnant women.
