91av

Skip to content

Cartoon image of a wide-open mouth

Health

Why tending your oral microbiome is the secret to a long, healthy life

There are untold legions of viruses, fungi and bacteria living in your mouth. It now seems we can stave off conditions from Alzheimer's disease to cancer by keeping them in a healthy balance

Features

Health

Probiotics helped reduce fatigue and memory loss from long covid

News

‘Clinical-grade’ AI stress detector doesn't work, study suggests

Technology

‘Clinical-grade’ AI stress detector doesn't work, study suggests

News

Sir David Attenborough

Comment

The 12 best science documentaries of 2023

Culture

person with prosthetic limb

Health

Spinal cord stimulator dramatically reduces phantom limb pain

News

human brain made of marijuana leaves

Health

How strong is the link between cannabis and schizophrenia?

Features

The man smoke an electronic cigarette on the dark background; Shutterstock ID 519015292; purchase_order: -; job: -; client: -; other: -

Health

Patchwork vaping regulation can show the way to a smoke-free world

Leader

Two women choosing food in a cafe

Health

Why does weed give you the ‘munchies’? Here's what the science says

News

Health

Why some medical conditions are due to evolutionary design flaws

News

Health

Cannabis addiction may be partly down to genetics

An analysis of genetic data from more than 1 million people shows that those with cannabis use disorder share similar markers

News

Health

Women in the US outlive men by 6 years – the largest gap in decades

News

Health

Frequently seeing friends and family may cut the risk of early death

News

Health

We need a wake-up call when it comes to adolescent sleep

Comment

Health

Sweeteners: The bitter truth about low-calorie sugar substitutes

Features