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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.

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The power of quiet: The mental and physical health benefits of silence

In an increasingly noisy world, neuroscientists are discovering exactly what kind of silence has the most dramatic impact on your mental health 鈥� from flotation tanks to guided meditation 鈥� and how much you really need

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Antibodies attacking SARS-CoV-2, the coronavirus that can cause covid-19

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Immunity for common cold coronaviruses may ward off severe covid-19

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Telomeres shortening with each round of cell division

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Exceeding weekly alcohol recommendations linked to short chromosomes

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Transfusing the blood of an old mouse into a younger rodent could age the latter animal

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Transfusing blood from an old mouse to a younger mouse causes ageing

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TOPSHOT - An attending physician listens to the breathing of a patient who is recovering after admission to an intensive care unit (ICU) in the coronavirus (COVID-19) patient nursing department of The HMC Westeinde Hospital in The Hague on April 4, 2020. (Photo by Remko DE WAAL / ANP / AFP) / Netherlands OUT (Photo by REMKO DE WAAL/ANP/AFP via Getty Images)

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One in 8 people got long covid after infection early in the pandemic

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People queue at a monkeypox vaccination site in Encino, LA in California, in July

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Vaccinating less than half of high-risk men may stop monkeypox spread

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Close Up Photo of Doctor Hands in Orange Gloves Taking Throat Swab Test from Mature Man in the Hospital; Shutterstock ID 2109822863; purchase_order: -; job: -; client: -; other: -

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Home screening test for oral or throat cancer has 90 per cent accuracy

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Mild exercise halts cognitive decline in people at risk of Alzheimer’s

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A brown fat cell, surrounded by capillaries, captured via a coloured scanning electron micrograph. Activating brown fat via cold exposure may cause them to burn glucose, which cancerous tumour cells rely on for growth

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Cold exposure stops tumour growth in mice by hijacking glucose stores

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OrganEx technology reverses certain deleterious effects of prolonged ischemia. Representative images of electrocardiogram tracings in the heart(top), immunostainings for albumin in the liver(middle),and actin in the kidney(bottom).The images on the left side represent the organs subjected to a control perfusion, while the images on the right represents the organs subjected to perfusion with theOrganEx technology. Tissue integrity and certain cellular functions have been restored by theOrganEx technology one hour after circulatory arrest.

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Blood substitute repairs damaged organs hours after heart stops

Use of an artificial blood substitute can reverse cell damage caused by lack of oxygen and could make more organs available for transplants, treat heart attacks and strokes and even reverse death

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Memory problems after covid-19 more common in people with smell loss

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How kids are winning the fight against dengue fever in a Rio favela

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RSV vaccine that may protect against bronchiolitis has promise in mice

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Could next-generation vaccines finally end the covid-19 pandemic?

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