Subscribe now

Legal marijuana in the US may be less potent than packaging claims

12 April 2023

Tests of marijuana sold legally in Colorado found that most products contained significantly less THC, the main psychoactive component, than was listed on the packaging


Cannabis farm

Legalised cannabis in Canada and US hasn’t killed illegal market

24 May 2022

Even when cannabis is legalised, some users still prefer to stick with their usual illegal sources, which can be cheaper and easier to access


An origami stock image

Origami-inspired robot can deliver drugs at the site they are needed

11 April 2022

A robot with thin magnetic plates at each end can be steered and compressed using external magnetic fields so it releases an accurate dose of medicine


K4EW53 bearded man in a suit in the city vaping

Vaping probably isn’t a gateway to smoking

10 March 2022

Trends in cigarette and e-cigarette use among 16 to 24-year-olds in England suggest that vaping doesn’t encourage more young people to start smoking


2AT6JKF Fentanyl transdermal 50mcg/hr timed release skin patch and foil wrapper. Credit: MedStockPhotos/Alamy

Fatal cardiac arrests could be hiding opioid overdose deaths in the US

10 August 2020

A study in San Francisco has found that 17 per cent of deaths ascribed to cardiac arrest were actually caused by drug overdose, most commonly opioids


Goats

Genetically modified goats can produce cancer drugs in their milk

16 June 2020

Genetically modified goats can make the bowel cancer drug cetuximab in their milk, which could cut its high cost and allow more people to use it


White pill

Benzodiazepine prescriptions reach ‘disturbing’ levels in the US

17 January 2020

Addictive benzodiazepines are prescribed at 66 million doctors' appointments a year in the US – often with opioids, making it easier to fatally overdose


Diazepam is a type of benzodiazepine drug

Benzodiazepines and z-drugs are prescribed more in poorer areas

23 October 2019

More than 14 million prescriptions for benzodiazepine and z-drugs were made in England in 2017, with more being filled in areas of socio-economic deprivation


Cannabis extract may work as a treatment for cannabis addiction

Cannabis extract may work as a treatment for cannabis addiction

13 October 2019

An extract from cannabis called cannabidiol or CBD helped some people who were addicted to smoking the drug quit


Cannabis dispensary

US teens may be finding it harder to buy cannabis after legalisation

8 July 2019

After seven US states legalised recreational use of marijuana, teenagers reported less use of the drug in anonymous surveys, perhaps because legal dispensaries require proof of age


Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop