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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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Mice with forebrains composed of rat and mouse cells

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Mice grown with rat brains to help study cross-species organ donation

Creating mice with partial rat brains helps scientists better understand whether synthesising embryos from human and pig cells to grow organs such as kidneys could accidentally lead to pigs with human-like brains

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To improve mental health, we must do more than just raise awareness

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To improve mental health, we must do more than just raise awareness

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Vaccine that erases immune memory may help treat multiple sclerosis

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Two proteins, haemaglobin subunit beta and cystic fibrosis transmembrane conductance regulator

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DeepMind AI can predict if DNA mutations are likely to be harmful

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Scientist examining DNA results on a screen

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Rare mutation hints gene editing could prevent Alzheimer’s disease

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We now know how many cells there are in the human body

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Kidneys for transplantation could come from babies who die at birth

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Spinal fluid test may enable earlier diagnosis of Parkinson's disease

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What you need to know about the 2023 covid-19 boosters

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2R61H1F Dean Lloyd (left) uses a touch screen monitor to test his Argus II eye implant at UCSF Medical Center in San Francisco, Calif., on Friday, Feb. 27, 2009. Neuroscientist Matthew McMahon monitors Lloyd's progress. Lloyd, who has been completely blind for several years, can now see rough images of shapes and colors thanks to the experimental implant developed by Second Sight. (Paul Chinn/San Francisco Chronicle via AP)

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Doctors warn about the rise of people with obsolete medical implants

When companies that produce medical implants shut down, the people who still have them inside their bodies are left with little support. Doctors are calling for medical regulators to take action on this growing problem

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Anti-ageing drugs could make more organs viable for transplants

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Key immune cells may help protect against inflammatory bowel disease

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Growing pains may indicate a greater risk of migraines later in life

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MDMA therapy for PTSD expected to get US approval after latest trial

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