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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.

A man in a wheelchair is vaccinated outside a mobile vaccination center set up in the city of Duisburg, western Germany

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What we know so far about AY.4.2 and other new coronavirus variants

The delta variant could be overtaken by AY.4.2, a more transmissible coronavirus variant that may be less likely to cause symptoms, while another variant from central Africa is being closely monitored

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Glass of milk.

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Milk allergy could be treated with gradual exposure to baked milk

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Medical nurse cares about patient in ICU.

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Response to anaesthetic can predict if people will recover after coma

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cancer cell and nanotube

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Cancer cells steal energy-generating parts from immune cells

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2E2FJMB Photo taken Jan. 14, 2021, shows the Huanan Seafood Market in Wuhan, China, where many people were infected with the novel coronavirus in the early stages of the pandemic. (Kyodo)==Kyodo Photo via Credit: Newscom/Alamy Live News

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Analysis of earliest covid-19 cases points to Wuhan market as source

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Covid-19 news archive: September to October 2021

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Blacklegged tick (Ixodes pacificus) on a leaf, carrier of the Lyme disease, 2005.

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mRNA vaccine against tick bites could help prevent Lyme disease

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2A3D63T A man talking on the phone. The phone is at the man's ear. Rear view

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Calls to mental health helplines rose by a third in covid-19 lockdowns

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A top (dorsal) view of a day 16-19 human embryo

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Donated embryo offers rare glimpse of development after implantation

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AI predicts which mammals are most likely to spread covid-19

Water buffalo, Sunda pangolins and mink are among the 540 mammals predicted to be likely to spread the coronavirus based on their biology and where they live

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Some genes in the brain may make 100 different proteins

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How worried should we be about covid-19 spreading among wild animals?

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Paralysed mice walk again after gel is injected into spinal cord

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The surprising upsides of the prions behind horrifying brain diseases

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