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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.

Health

Is ultra-processed food unhealthy? Here's why no one can agree

While ultra-processed food is the latest buzzword in nutrition, the scientific evidence for how it affects our health continues to point in different directions. Why can't researchers just tell us the perfect diet?

Analysis

Health

Gene therapy could prevent the tau tangles linked with Alzheimer's

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Health

3D-printed egg shells can help bones regrow

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Geneva, Switzerland

Health

The benefits of anti-ageing medicines will outweigh the downsides

Leader

New anti-ageing vaccines promise to prevent diseases like Alzheimer's

Health

New anti-ageing vaccines promise to prevent diseases like Alzheimer's

Features

Average facial temperatures of 50-60-year old women ageing slowly (left), as predicted (middle) or fast (right)

Health

The temperature of your face could help diagnose medical conditions

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Layal Liverpool

Video

Layal Liverpool: 'Racism is the most dangerous public health threat'

Video

Health

Baby-led weaning makes little nutritional difference vs spoon-feeding

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Health

Should weight loss drugs be used to treat obesity in children?

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Health

Pain during intercourse is common among women who have sex with men

A survey of women who have had vaginal sex with men found that 4 in 5 said they had experienced pain during intercourse

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Health

Precision ultrasound could treat deep parts of brain without surgery

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Health

Why we should be wary of social media's obsession with the vagus nerve

Comment

Health

'Bridge editing' could be even better at altering DNA than CRISPR

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Health

Could paying people to lose weight help tackle obesity?

Analysis