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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

Ultrasound may boost survival after a stroke by clearing brain debris

The damage of strokes caused by brain bleeds can be mitigated by removing dead blood cells. ��è��Ƶs have now found a way of doing this non-invasively, with promising results in mice

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Health

Falling asleep isn’t a gradual process – it happens all of a sudden

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Health

Having children plays a complicated role in the rate we age

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Health

Covid raises risk of heart issues in children more than vaccination

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An illustration of polycystic ovary syndrome, which causes the ovaries to enlarge

Health

We're closing in on how genetics may influence your PCOS risk

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Health

Cavities could be prevented by a gel that restores tooth enamel

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Health

Walking 3000 steps a day seems to slow Alzheimer's-related decline

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An illustration of an hourglass with a tortoise on top and a hare below

Health

Our bodies are ageing faster than ever. Can we hit the brakes?

Features

Health

The gut microbiome may play a role in shaping our personality

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Health

Magnetic gel could remove kidney stones more effectively

Standard techniques for removing kidney stones often require repeated surgery, but a magnetic gel seems to make the process more efficient

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Health

Stem cell therapy lowers risk of heart failure after a heart attack

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Health

Can't focus after a bad night's sleep? Your dirty brain is to blame

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Health

US public health system is flying blind after major cuts

Analysis

Health

Men may have to exercise more than women to get same heart benefits

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