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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.

A scanning electron micrograph of E coli (yellow) infecting cells (blue) within a human bladder, causing them to secrete thick mucus (orange)

Health

Cystitis or tooth decay could trigger dementia just a few years later

Infections are increasingly being linked to a higher risk of dementia. In the latest research, scientists have found that being treated in hospital for a severe infection seems to raise the risk of developing the condition over the next five to six years

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Health

Are humans degenerating genetically and getting dumber as a result?

Comment

Health

A negative attitude towards ageing is making you age faster

Comment

Daisy Fancourt

Video

Professor Daisy Fancourt on the life-changing power of the arts

Video

Health

Probiotic cream that ramps up heat production could prevent frostbite

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Health

How worried should you be about ultra-processed foods?

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Health

Boosting the blood-brain barrier could avert brain damage in athletes

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Health

Your partner probably wakes you up at night without you even realising

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Health

A smartphone app can help men last longer in bed

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Health

How worried should you be about your BMI?

Body mass index (BMI) is used as a global standard for measuring health, but does it actually tell you anything about how healthy you are on an individual level? Carissa Wong explains the problems with this flawed tool

Analysis

Health

Why drug overdose deaths have suddenly plummeted in the US

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Health

Why are we so obsessed with protein? A new book looks for answers

Culture

Health

Parkinson's disease may reduce enjoyment of pleasant smells

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Health

How a midlife tune-up could help prepare you for a healthy old age

Leader