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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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Women show signs of cellular ageing at 19 that hit men at age 40

Biopsy reports of nearly 5 million people suggest that markers that are thought to be signs of ageing, such as inflammation and the formation of giant cells, occurred two decades earlier in the female participants than in the male participants

News

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Protein fragments that repair skin damage could be added to cosmetics

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A raccoon dog (Nyctereutes procyonoides)

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Covid-19 may have started in raccoon dogs, new DNA evidence shows

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Tedros Adhanom Ghebreyesus, director general of the World ÎçÒ¹¸£Àû1000¼¯ºÏ Organization

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Covid-19 threat expected to become on par with flu this year, says WHO

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Bacteria Klebsiella, 3D illustration. Gram-negative rod-shaped bacteria which are often nosocomial antibiotic resistant

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Gut bacteria that break down oestrogen linked to depression in women

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Maternal mortality rate in the US rose drastically in 2021

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A transmission electron micrograph of HIV virus particles (pink) replicating from the plasma membrane of an infected immune cell

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Umbilical blood stem cell transplant puts woman in HIV remission

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Genome technology is transforming healthcare but what should we allow?

Leader

microscope images showing ciprofloxacin-resistant E. coli (credit: University of Oxford)

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Become a citizen scientist in the fight against antibiotic resistance

Regulars

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Caffeine linked to lower BMI and reduced risk of type 2 diabetes

Genetic differences in how people metabolise caffeine may influence how overweight they are, but this doesn't mean drinking more coffee will make you slimmer

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New DNA tests predict your disease risk – are we ready for them?

Features

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Leukaemia drug shows promise at treating breast cancer once it spreads

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Emotions like disgust and fear linked to more acidic stomach pH

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Rapid genome sequencing helps save hundreds of critically ill babies

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