Health

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.

How understanding the brain’s microglia could end neurodegeneration

As you read this sentence, a group of cells is patrolling your brain. These soldiers shuttle around neurons, using their gangly appendages to search for threats. If one of these cells detects a pathogen or damage, it leaps into action. It puffs up, then swoops down in a voracious attack, releasing chemicals that signal its […]

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Virtual People with Neuron Symbols in The Brain

We will one day be able to slow, halt and even eradicate Alzheimer’s

Alzheimer’s disease is undoubtedly one of the most dreaded diseases of old age. It robs people of their memories, places enormous pressure on caregivers, and places a huge economic burden on individuals and society. Tens of millions of people have been diagnosed with Alzheimer’s disease, and if predictions are correct, this number will more than

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A businessman uses a broom to sweep up a mess of tangled scribbled lines.

How a new kind of vaccine could lead to the eradication of Alzheimer’s and dementia

“My goal is really simple. I want to have the biggest impact on human suffering,” says Lou Reese, co-founder of the biotech company Vaxxinity. He may succeed. If all goes well, by 2030 the company will have a new drug that will revolutionize our treatment of one of the world’s most feared diseases, and perhaps

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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.

Kathy Willis interview: How the healing powers of botany can reduce anxiety and boost health

We all know that being in nature is good for our health and mental well-being. But how does it work its magic? For example, what explains the finding that after gallbladder surgery, people who had access to a verdant view from their hospital windows Recovered three times faster than those who could only look at

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Mpox: How deadly is the virus and what treatments are available?

A health worker assesses a suspected case of MPOX in North Kivu Province, Democratic Republic of the Congo Arlette Bashizi/Bloomberg, Getty Images Monkeypox, formerly known as monkeypox, is driving an ongoing outbreak in the Democratic Republic of the Congo (DRC) and neighboring countries. The surge in cases is due in part to a new variant

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Your brain may be mutating in a way that was thought to be very rare

Mitochondrial DNA fragments can be added to the cell’s main genome wir0man/Getty Images Mutations involving the incorrect addition of DNA from energy-producing mitochondria to the cell’s main genome were thought to be extremely rare. Now, a study of brain tissue suggests that these mutations occur in all of us, and their numbers may be a

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Long covid causes very different symptoms in children versus teenagers

Effects of long COVID appear to vary by age damircudic/Getty Images Symptoms of long-term COVID-19 appear to differ significantly in young children and adolescents. A better understanding of how the condition presents could aid diagnosis. So far, most long-term COVID-19 research has focused on adults. This is partly due to “a misconception that children cannot

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Parasitic hookworm Ancylosoma, 3D illustration. Ancylostoma duodenale can infect humans, dogs and cats, its head has several tooth-like structures; Shutterstock ID 1375796246; purchase_order: -; job: -; client: -; other: -

Intestinal parasites may reduce covid-19 vaccine effectiveness

Ancylostoma duodenale, also known as hookworm, is one of the most common intestinal parasitic infections in humans worldwide Kateryna Kon/Shutterstock COVID-19 vaccines may be less effective in people with intestinal parasitic infections, or about One quarter This is 10% of the world’s population. This was shown in experiments on mice infected with parasites, which developed

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