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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.

Health

Cannabis vaping liquids contain lead and other toxic metals

The heating elements in vapes can release toxic metals. Now an analysis of cannabis vaping liquids shows metals like lead are present at dangerous levels – even before the vape is used

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Health

Intermittent fasting linked to a higher risk of heart disease death

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Health

Blood-clotting drug derived from pigs can now be made synthetically

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Nobel-winning biologist on the most promising ways to stop ageing

Health

Nobel-winning biologist on the most promising ways to stop ageing

Features

Old and Young people

Health

Mental health conditions may accelerate ageing by damaging RNA

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Health

What do home faecal test kits really reveal about our gut microbiome?

Analysis

Health

Can a pill really reverse ageing in dogs? Don't get your hopes up yet

Analysis

A prescription nasal spray

Health

Anti-inflammatory nasal spray may ease symptoms of multiple sclerosis

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Health

Alzheimer’s may be caused by a build-up of fat in brain cells

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Health

The war in Gaza is creating a health crisis that will span decades

Physical injuries, mental health issues and malnutrition are widespread in Gaza – and major health groups have no firm plans to address the impending crisis

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Health

Ketamine’s unlikely conversion from rave drug to mental health therapy

Features

Health

Experimental weight loss pill seems to be more potent than Ozempic

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Health

Light and sound therapy for Alzheimer’s may also prevent 'chemo brain'

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Health

Microplastics linked to a greater risk of heart attack and stroke

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