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

crowd scene

Health

An 'obesity virus' could be to blame for many people being overweight

Is obesity infectious? Evidence is growing in support of a controversial theory that a virus causes weight gain and obesity, but not everyone is convinced

News

Intensive blood pressure treatment may lower dementia risk

Health

Intensive blood pressure treatment may lower dementia risk

News

Business students more likely to have a brain parasite spread by cats

Health

Business students more likely to have a brain parasite spread by cats

News

HPV vaccine to be offered to all children in England, not just girls

Health

HPV vaccine to be offered to all children in England, not just girls

News

Weather forecast for Los Angeles

Health

There are more suicides in US and Mexico when the temperature rises

News

Just a few drinks during pregnancy might be enough to lower future IQ

Health

Just a few drinks during pregnancy might be enough to lower future IQ

News

Deaths from liver disease have been rising since the financial crisis

Health

Deaths from liver disease have been rising since the financial crisis

News

London traffic

Health

We cannot breathe easily when deadly air threatens young children

Leader

message board

Health

The death of 9-year-old girl may be a tipping point for air pollution

Insight

Regina Barzilay

Health

How an AI expert’s cancer diagnosis may lead to a treatment revolution

When Regina Barzilay was diagnosed with breast cancer, she was shocked at how haphazard the process was – and vowed to use her expertise to change things

Features

Health

Medical cannabis: What you really need to know

Features

Technology

No, mobile phones still won’t give you brain cancer

Analysis

Health

‘Toxic’ levels of borax in toy slime are unlikely to hurt children

Analysis

Health

Blood test detects melanoma skin cancer while it’s easily treatable

News