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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.

KP5B6H Woman applying HRT patch.

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Hormone replacement therapy doesn’t increase risk of dying early

A study of 300,000 people shows that HRT for menopause symptoms doesn't increase the risk of early death, helping to overturn outdated fears about its safety

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Macro coronavirus(covid-19) cell delta plus variant. B.1.1.529 E484Q L452R.COVID 19 Delta plus variant Sars ncov 2 2021.Mutated coronavirus SARS-CoV-2 flu disease pandemic, 3D render illustration; Shutterstock ID 2011480793; purchase_order: -; job: -; client: -; other: -

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We failed to prevent omicron 鈥� can we stop future variants evolving?

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James Leidner spent three nights in a high-tech sleeping bag that unloads pressure in the brain by suctioning fluids into the lower body. NASA hopes the sack can be used by astronauts in space to alleviate the vision problems they commonly endure during longer missions.

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High-tech space sleeping bag could stop vision problems in astronauts

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A healthcare worker performs laboratory tests which detect immunoglobulin class G (IgG) antibodies to SARS-CoV-2 virus in blood at a medical centre of the INVITRO private healthcare company. Peter Kovalev/TASS (Photo by Peter Kovalev\TASS via Getty Images)

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How likely are you to get reinfected now that omicron is spreading?

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Women at the gym

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Paying people to return to the gym is best way to incentivise exercise

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World Health Organization's technical lead on the coronavirus pandemic, Maria van Kerkhove gestures during an interview with AFP in Geneva on October 13, 2020. (Photo by Richard Juilliart / AFP) (Photo by RICHARD JUILLIART/AFP via Getty Images)

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Maria Van Kerkhove interview: What we know about omicron so far

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Margaret Keenan was vaccinated at University Hospital, Coventry, on 8 December, 2020

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2021 in review: Billions of covid vaccinations given unequally

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Omicron may spread much more easily at social functions than other variants

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Omicron variant may make Christmas party infection risk much higher

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A technician prepares a sample

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Investigation fails to replicate most cancer biology lab findings

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A health worker speaks with a driver in the drive-thru area of the Testaro Covid-19 mobile testing site outside Richmond Corner shopping center in the Milnerton district of Cape Town, South Africa, on Thursday, Dec. 2, 2021. South Africa announced the discovery of a new variant, later christened omicron, on Nov. 25 as cases began to spike and the strain spread across the globe. Photographer: Dwayne Senior/Bloomberg via Getty Images

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Omicron looks set to cause a huge wave of covid-19 around the world

It remains unclear whether the omicron coronavirus variant causes less severe disease, but even if this is true, hospitals could still be overwhelmed by the sheer number of cases

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Older people who get cataracts removed have lower dementia risk

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Grape seed chemical allows mice to live longer by killing aged cells

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Night-shift workers who eat only in the day may cut diabetes risk

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Multigenerational households a factor in covid-19 ethnic disparities

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