A cannabis extract used by about 1.3 million people in Britain could have adverse side-effects, scientists advising the government have said.
Cannabidiol (CBD) is added to foods, oils and lotions. Users say that the compound, which does not get people high, reduces anxiety, depression, insomnia and pain. However, a review of research listed potential side-effects ranging from diarrhoea and drooling to damage to the immune and reproductive systems.
Alan Boobis, chairman of the Committee on Toxicity, which prepared the reviews for the government, said: “There are certainly potential side-effects of CBD and those taking it should be aware of these.”
Rebecca Sudworth, director of policy at the Food Standards Agency, advised people to “think carefully before taking CBD sold as food or supplements