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A pile of nitrous oxide canisters

Definition

Nitrous oxide

Otherwise known as laughing gas, nitrous oxide – N2O – has been used as an anaesthetic since the 19th century

Ayahuasca

Definition

Ayahuasca

ancient brazier

Humans

Tombs in China reveal humans were smoking cannabis 2500 years ago

News

protesters

Health

Who should pay when medical drugs become too expensive to buy?

Leader

Antidepressants

Definition

Antidepressants

A drug may prevent Alzheimer’s but there are no plans to find out

Health

A drug may prevent Alzheimer’s but there are no plans to find out

Analysis

UK campaigners protesting for access to the Orkambi in 2017

Health

A generic drug from Argentina offers cystic fibrosis families hope

News

people meditating

Health

Brain scans reveal magic mushroom drug enhances mindfulness meditation

News

Batte Shankar

Health

How antibiotic resistance is driven by pharmaceutical pollution

Features

Cannabis

Definition

Cannabis

Cannabis, also known as marijuana, is one of the most widely used drugs in the world. Read more about the science behind its psychological effects, medical potential and chemical composition

Life

Cannabis plant evolved super high (on the Tibetan Plateau)

News

Health

The quest for better snakebite treatments gets a funding boost

News

Health

Can the UK avoid having a lethal opioid crisis like the one in the US?

Insight

Health

Georgios Papanikolaou: inventor of the Pap smear cervical cancer test

Regulars