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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.

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Discover the latest health news, scientific discoveries and big ideas about the human body and treating diseases, covid-19, diet, fitness, exercise, wellness and how to live a healthy life.
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Deer tick on a leaf

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Lyme disease may spread further by helping ticks survive cold winters

Ticks infected with the bacterium responsible for Lyme disease are more likely to survive winter, contributing to the spread of the disease as the world warms

News

A transmission electron micrograph of Streptococcus pyogenes

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Strep A kills 500,000 people a year, so why isn’t there a vaccine?

Analysis

X-ray of feet affected by gout

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Gout linked to 376 genetic variants in a study of 2.6 million people

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A Moderna research associate pictured in a laboratory at the company's Cambridge, Massachusetts, headquarters

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Personalised melanoma vaccines prolong survival in largest trial yet

News

A person holding a glass of alcohol

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Drinking more alcohol after a traumatic event may increase PTSD risk

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Landmark pig heart transplant was a big leap forward in 2022

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Landmark pig heart transplant was a big leap forward in 2022

News

TOPSHOT - Staff members from the Hoshinoya Tokyo hotel demonstrate the

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The covid-19 pandemic’s third year saw countries adopt new approaches

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A person has their temperature checked before entering a market in Coata, Peru, in July 2020

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Nearly 15 million excess deaths occurred globally in 2020 and 2021

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Amyloid plaques forming between neurons. Beta-amyloid protein disrupting nerve cells function in a brain with Alzheimer's disease

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Alzheimer’s disease progression slowed using CRISPR technique in mice

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Drinking

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Timing of expressing milk and a baby drinking it affects infant sleep

Babies who drink breast milk during the night that was expressed in the daytime may take longer to fall asleep, due to changes in the level of the sleep-inducing hormone melatonin in the milk

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Sticky plaster for punctured lungs stretches as they expand

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Experimental CRISPR technique has promise against aggressive leukaemia

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Stimulating the vagus nerve may reduce symptoms of multiple sclerosis

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Thousands of genetic variants may influence smoking and alcohol use

News

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