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Image of a nematode worm

Nematode worms get the ‘munchies’ after having cannabis-like substance

20 April 2023

Just like people, the simple nematode worm Caenorhabditis elegans is driven to consume high-calorie food when its cannabinoid receptors are activated, hinting at a common signalling pathway for preventing starvation


Why expanding access to Narcan in the US won’t solve the opioid crisis

14 April 2023

The US has made a medication that rapidly reverses opioid overdoses available without prescription – it will no doubt prevent some deaths, but it’s not enough to tackle the opioid epidemic


Drug overdose deaths have quadrupled among older US adults

29 March 2023

In the past two decades, death rates from drug overdoses have dramatically increased among adults 65 years and older living in the US


A small pile of cocaine

Genetically modified tobacco plant produces cocaine in its leaves

25 November 2022

Researchers have reproduced the entire biochemical pathway for how coca plants make cocaine in another plant, which could help people manufacture the drug for scientific study


US pardons people convicted for marijuana possession under federal law

US pardons people convicted for marijuana possession under federal law

6 October 2022

US president Joe Biden announced a pardon for thousands of people convicted for possession of marijuana under federal law


Magic Mushroom Spores

Psilocybin therapy seems to help some people give up drinking alcohol

24 August 2022

Nearly half of a group who took psilocybin, the psychedelic compound in magic mushrooms, as part of a 12-week therapy programme reported giving up drinking months later after having previously been diagnosed as alcohol dependent


Human brain scans

Parts of the brain form a circuit that may fuel smoking addiction

13 June 2022

Some smokers lose their cravings after experiencing damage to specific parts of the brain, suggesting these areas form a network that somehow fuels the habit


Anadenanthera colubrina is the one tree species common to nearly all regions of South American seasonally dry tropical forests and woodlands (SDTFs). Its abundant fruits each of which is laterally flat and which bear many lenticular seeds, trunk and main stems with a tuberculate cortex, and extra floral nectaries positioned near the base of the leaf rachis distinguish this species.

Ancient Andean leaders may have mixed hallucinogen with their beer

12 January 2022

A concoction of vilca seeds and fermented alcohol may have provided a mild hallucinogenic experience, enabling Wari leaders in South America to bond with their people


Marijuana joint in a hand

Quick saliva test can reveal cannabis use over the past 12 hours

20 October 2021

A sample of saliva placed on a strip and analysed with a smartphone camera can reveal if a person has ingested cannabis in the past 12 hours


Benefits of microdosing psychedelic drugs may be due to placebo effect

Benefits of microdosing psychedelic drugs may be due to placebo effect

3 March 2021

Some people find that taking small doses of psychedelic drugs can sharpen awareness or improve their mood, but these benefits may happen simply because people believe they will


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