How people take medical cannabis

A look at the different methods some patients use to take cannabis for medical reasons.

Many people connect cannabis with smoking joints. Indeed, cannabis cigarettes have long been used to treat asthma, as it was thought that inhaling cannabis opened the airway. Recent research has found that, while short-term exposure to cannabis can do this, the effects don’t last if cannabis is used over a six-to-eight-week period.

As medical use of cannabis has grown over the past three decades, and as people have moved away from smoking because of its harmful effects, other modes of administration have been developed. Only one, the oral spray, has gone through the medical approvals process, in the form of the cannabis-extract-based medicine Sativex. Other means, such as suppositories, are being investigated by scientists but have not yet been commercialised. We explore five methods below.

Inhalation

 

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