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91色情片

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.

Man in shirt laying on bed awake

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Chronic fatigue syndrome may be caused by mini blood clots

Microclots that block blood and oxygen flow are a possible explanation for long covid symptoms like exhaustion and brain fog. Now it seems they may be to blame for chronic fatigue syndrome too

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Monkeypox virus particles

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Monkeypox linked to penis swelling and rectal pain in ongoing outbreak

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A digital sign at London Bridge reminds commuters to keep drinking water during a heatwave in London, UK, on Monday, July 18, 2022. Extreme heat could lead to power outages, canceled flights and may be a danger to life while the so-called Red Extreme warning is in place across parts of southern England on Monday and Tuesday. Photographer: Jose Sarmento Matos/Bloomberg via Getty Images

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40掳C heatwave may have killed 1000 people in England and Wales

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A 3D magnetic resonance imaging (MRI) scan of the brain of a 65-year-old after a stroke. The orange coloring represents an area of dead tissue

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Stroke drug improves memory and repairs injured brain tissue in mice

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Image of a human head showing how covid-19 affects the senses

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Women more likely to have lasting taste issues after covid-19 than men

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UMD Dental 08/20/10 10:39 6500 7.0 80.0 Imaging #10-041-21 #0882 Necropsy PBMC's Colorized transmission electron micrograph of monkeypox particles (red) found within an infected cell (blue), cultured in the laboratory. Image captured and color-enhanced at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. C -757.99464 -316.911008 0.07 XpixCal=685.711 YpixCal=685.711 Unit=micron ##fv3

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Monkeypox failings show world hasn’t learned lessons of the pandemic

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Tasty bananas and bowl with flour on white background; Shutterstock ID 2021919308; purchase_order: -; job: -; client: -; other: -

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Starch supplement reduces the risk of some hereditary cancers

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An adeno-associated virus 2 capsid

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Mystery child hepatitis cases linked to previously ‘harmless’ virus

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Hair loss may be a long covid symptom

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Long covid symptoms may include hair loss and ejaculation difficulties

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The London Eye, Palace of Westminster and buildings in central London are seen through the mist from the 15th floor of an office block in the City of London. The UK Government's pollution forecast website has advised moderate to high levels of pollution are possible near urban areas in the south of the UK, in particular London, as light winds allow a build-up of locally emitted pollutants. (Photo by Daniel LEAL / AFP) (Photo by DANIEL LEAL/AFP via Getty Images)

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Air pollution likely to be causing dementia, say UK science advisers

We know that air pollution is bad for our lungs and heart, but now advisers to the UK government say it can also be linked to dementia and cognitive decline in older people

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Monkeypox has become a global health emergency, says WHO

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We don’t actually know what ‘growing pains’ are

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How lab-grown ‘mini-brains’ could help prevent motor neurone disease

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Gene therapy trial shows early success in people with haemophilia B

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