Cocaine
Cocaine, or 'coke', is an addictive drug that can cause unwanted effects. Learn more about cocaine, its effects and the risks that come with its use.
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Stimulant drugs
Stimulants are a class of drugs that make you feel more alert or energetic. They include drugs such as caffeine, some medicines, ice and cocaine.
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Drug overdose
A drug overdose is when you take more of a drug than your body can handle. Learn how to recognise, respond to, and prevent a drug overdose.
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Drugs in sport
Using drugs to give your performance an edge can also affect your health. Learn more about what damage drugs can do to your health.
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Urine tests
Urine tests are used for many different reasons. They can diagnose conditions, such as pregnancy, infections, diseases and screen for drug use.
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Anosmia (loss of smell)
Anosmia is the medical term for loss of smell. It is often age-related. Find out more about the causes, diagnosis and complications of anosmia.
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Serotonin
Serotonin is a chemical messenger that affects wellbeing and happiness. Many antidepressants increase serotonin levels in the brain.
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Aortic dissection
Aortic dissection is a rare but serious condition where there is a tear in the wall of your aorta - the largest artery in your body.
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Caffeine
Caffeine is a stimulant found in coffee, teas, chocolate and energy drinks. It acts on your brain and nervous system. Learn more about caffeine here.
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Teeth grinding (bruxism)
Teeth grinding (bruxism) is a fairly common behaviour. Find out how you can protect your teeth from damage and what treatment is available.
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