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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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We may finally know how cognitive reserve protects against Alzheimer's

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We may finally know how cognitive reserve protects against Alzheimer's

Why does mental effort lead to a more resilient brain that can withstand dementia and decline? We are now discovering the mechanisms behind this cognitive reserve, opening up new ways to boost it

Features

Hitting the snooze button on your alarm doesn't make you more tired

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Hitting the snooze button on your alarm doesn't make you more tired

News

Palestinians line up to fill water cannisters in Gaza

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Why the Gaza water crisis is decades in the making

News

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Scientists can communicate with people while they are asleep

News

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High-dose vitamin D may lower your risk of going to hospital

News

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Israel's demand for Gaza evacuation will lead to deaths, experts warn

News

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We now have the most detailed description of the human brain ever

News

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Simple blood test tweak could make intensive care treatment safer

News

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Can a single therapy session nudge us towards better mental health?

Regulars

Cannabis has become much more potent in recent decades

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Is cannabis today really much more potent than 50 years ago?

Levels of the psychoactive compound THC have been steadily rising in marijuana since the 1970s, due largely to growers selecting for more potent strains

News

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Driving under the influence of cannabis: How high is too high?

Analysis

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Microgreens: The surprising truth about this trendy new ‘superfood’

Features

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Wegovy and Ozempic ingredient linked to rare stomach paralysis cases

News

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The surprising ways cannabis can be part of drug addiction treatment

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