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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Health

Your period may make sport injuries more severe

Professional footballer players who became injured while on their period took longer to recover than when injuries occurred at other times of their menstrual cycle

News

drug-resistant Neisseria gonorrhoeae bacteria

Health

New antibiotic could stave off drug-resistant gonorrhoea

News

False-colour nuclear magnetic resonance (NMR) image of a human head

Health

Supposedly distinct psychiatric conditions may have same root causes

News

Health

The potential of GLP-1 drugs to transform medicine exploded in 2025

News

T0DKNR Lake Atitlan Guatemala

Health

How I learned to keep my brain in better repair this year

Comment

Health

We may finally know what a healthy gut microbiome looks like

News

Health

Timing cancer drug delivery around our body clock may boost survival

News

tattoo artist

Health

Tattooing may trigger localised damage to the immune system

News

food Allergy and Intolerance Warning Sign

Health

Experimental vaccine prevents dangerous allergic attack for a year

News

Lot of vaccine glass vials arranged in a rows on blue background, 3d rendering illustration.; Shutterstock ID 1906552987; purchase_order: -; job: -; client: -; other:

Health

Human challenge trials have never been more popular

The ethics of clinical trials that deliberately infect people with a disease aren't clear-cut – but there's a strong case for doing more of them

Leader

Health

Dogs may make us more caring and sociable by changing our microbiome

News

Health

How deliberately giving people illnesses is supercharging medicine

Features

Health

We now have a greater understanding of how exercise slows cancer

News

Health

Man unexpectedly cured of HIV after stem cell transplant

News