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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.

Mandatory Credit: Photo by Uncredited/AP/Shutterstock (12759755a) This image provided by U.S. Department of Health and Human Services shows an illustration of the outer coating of the Epstein-Barr virus, one of the world's most common viruses. New research is showing stronger evidence that Epstein-Barr infection could set some people on the path to later developing multiple sclerosis Multiple Sclerosis-Virus - 13 Jan 2022

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Strongest evidence yet that MS is caused by Epstein-Barr virus

A huge study of US military personnel suggests almost all cases of multiple sclerosis are triggered by the common Epstein-Barr virus, meaning a vaccine could largely eradicate the condition

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Commuters, some wearing face masks, on a London underground train

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What endemic means – and why covid-19 is nowhere near it yet

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Knee osteoarthritis

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Electric knee implants could help treat pain of osteoarthritis

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How bacteria-killing viruses are being used to keep food safe

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Watch as a pig heart is transplanted into a human for the first time

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Pig heart is prepared for transplant

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How a pig heart was transplanted into a human for the first time

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Blood clot, 3d illustration. Inset: Miniature helical robot

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Corkscrew-shaped robot swims through blood vessels to clear blockages

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A person drops solution onto a lateral flow test for covid-19

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Covid-19 testing in the time of omicron: Everything you need to know

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mRNA

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mRNA vaccine technology has helped repair broken hearts in mice

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Testing for covid-19 in Lisbon, Portugal, in December

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Why is omicron more infectious but less severe? What we know so far

The omicron variant infects cells in a different way, is present in higher levels in saliva and seems more likely to cause asymptomatic infections - all findings that could help explain why omicron is spreading so rapidly but resulting in a lower proportion of hospitalisations and deaths

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Strength, balance and mobility are the best predictors of a long life

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One in 12 new cases of asthma in children linked to NO2 air pollution

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I bonded with a quirky robot after chatting to it about my fears

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The future course of the covid-19 pandemic is in all our hands

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