Your guide to dagga: abuse, effect, symptoms and signs, and treatment.

This article discusses the heroin, its effects and the signs of heroin overdose.

Nicotine changes how your body and brain function. It both invigorates and relaxes smokers, depending on how much they smoke. There are almost no benefits to nicotine.

Ketamine hydrochloride is a dissociative anaesthetic developed in the early 1960s. It is now mostly used as a veterinary anaesthetic.

These include painkillers, cough mixtures, Valium and other sedatives, Rohypnol, and many others.

Drinking is widely socially accepted and plays an important role in many people's lives.

Are you lying awake at night worrying about someone else's drug problem? Are you lying and covering up for this person? You might be a codependent.

Carte Blanche discussed the disturbing topic of drugs in schools on Sunday, showing an increased onset of drug taking in children between the ages of nine and 11.

Alcohol is often incorrectly classified as a stimulant or "upper". Alcohol is in fact a tranquilliser which depresses the central nervous system.

Alcohol is a nervous system depressant and the effects can last for several hours.

You hear heroin and you think "loser, gutter, syringe, Europe". Think again. Heroin has become the drug of choice for many young South Africans.

Heroin is now easily obtainable across the Cape Metropole, particularly in the northern suburbs. Affluence is part of the reason why these areas have become such drug hotspots.

Is a politician drunk on alcohol safer than a politician drunk on power? CyberShrink comments.

The controversial drug ibogaine is being hailed by some as something of a magic bullet in the fight against drug addiction. But how much do we really know about it?

GHB is a central nervous system depressant that is sold either as a powder or a clear odourless liquid.

A recovering heroin addict and the mother of a heroin addict share their stories of loss, suffering and hope on 24.com Blogs.

The effects of alcohol hit your brain like a tidal wave. You can go from jovial, to falling-down drunk, to dead and it doesn't take very long to get there.

The Metro police plan to start testing drivers suspected of being under the influence of drugs at roadblocks. Is this a realistic task? How would it be done? Health24 investigates.

Going to paint the town red tonight? Think twice about accepting that free drink – it may be spiked.

It's easy to imagine that substance abuse only happens to other people. But chances are that it's happening right on your street, and maybe right inside your home.

A recovering heroin addict describes her journey into addiction and her difficult road to recovery.

It's summer which means time for the outdoor trance season - music, lots of dancing, camping and, for many, recreational drugs. Here's what to do when those "trips" go bad.

Drugs are everywhere and your child will probably also encounter them. Isn’t it time you investigated the range of DIY drug tests?

Substance abuse is a devastating health problem. During Substance Awareness week we aim to raise awareness of this growing problem.

A controversial approach to treating heroin addicts, cuts 'street' drug use and illegal activities, a recent study finds.

While gambling participation in South Africa has dropped as a result of the recession, the number of problem gamblers has remained constant since 2005, a study finds.

When a friend shows signs of abusing alcohol or other drugs it sometimes hard to know what to say.

Online to advise you every day, more than 50 medical experts are standing by to answer questions about symptoms, treatment, lifestyle changes, addictions and relationships.