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Tag Archives: health

Malaria: new map shows which areas will be at risk because of global warming

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mycteria / shutterstock Mark Smith, University of Leeds and Chris Thomas, University of Lincoln Of an estimated 228 million cases of malaria worldwide each year, around 93% are in Africa. This proportion is more or less the same for the 405,000 malaria deaths globally. That’s why there are huge efforts underway to provide detailed maps of current malaria cases in …

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A brief history of chocolate – and some of its surprising health benefits

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k.nykyforova Liam Corr, University of Huddersfield Chocolate in all its forms is something that I, along with many others like to indulge in on an almost daily basis. But chocolate as it’s enjoyed today is quite different from when it first arrived in Europe from South America around the 16th century. To the indigenous Aztec people, cocoa was consumed as …

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Hurricanes and wildfires are colliding with the COVID-19 pandemic – and compounding the risks

Evacuations during Hurricane Laura could increase the risk of exposure to COVID-19. AP Photo/Gerald Herbert

Evacuations during Hurricane Laura could increase the risk of exposure to COVID-19. AP Photo/Gerald Herbert Ali Mostafavi, Texas A&M University With the Hurricane Laura hitting Louisiana and Texas as an “extremely dangerous” Category 4 storm and wildfires menacing the western U.S., millions of Americans are facing the complex risks of a natural disaster striking in the middle of a pandemic. …

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What’s the difference between pandemic, epidemic and outbreak?

It’s a matter of scale. Edward A. "Doc" Rogers/Library of Congress via AP

It’s a matter of scale. Edward A. “Doc” Rogers/Library of Congress via AP Rebecca S.B. Fischer, Texas A&M University The World Health Organization has declared COVID-19 a pandemic. This is a landmark event. As an epidemiologist listening to the steady stream of conversation around the coronavirus, I’m hearing newscasters and neighbors alike mixing up three important words my colleagues and …

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Non, tout le monde n’a pas grossi pendant le confinement

Si certaines personnes ont vu leurs pratiques alimentaires se dégrader pendant le confinement, faute de temps ou de moyens, d’autres les ont améliorées. Shutterstock

Si certaines personnes ont vu leurs pratiques alimentaires se dégrader pendant le confinement, faute de temps ou de moyens, d’autres les ont améliorées. Shutterstock Mélanie Deschasaux, Université Sorbonne Paris Nord – USPC; Mathilde Touvier, Université Sorbonne Paris Cité (USPC) et Serge Hercberg, Université Sorbonne Paris Nord – USPC Pour briser les chaînes de transmission du coronavirus SARS-CoV-2, responsable de l’épidémie …

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Coronavirus: does the common cold protect you from COVID?

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Grzegorz Placzek/Shutterstock Stephen Kissler, University of Cambridge An article in Science recently generated a lot of interest by providing a possible explanation of why COVID-19 can be deadly to some yet go virtually unnoticed in others. Scientists at La Jolla Institute for Immunology in California showed that infection with common cold coronaviruses can generate an immune response that resembles key …

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Oxford immunologist on coronavirus vaccine: our early results look highly promising

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Numstocker/Shutterstock Rebecca Ashfield, University of Oxford A vaccine against COVID-19 is urgently needed if we’re to stop the virus spreading and prevent potentially millions of further deaths. We’re now one step closer to that goal. We have published early results from our clinical trial of the vaccine ChAdOx1 nCoV-19 (also known as AZD1222), designed by the University of Oxford and …

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Brain scientists haven’t been able to find major differences between women’s and men’s brains, despite over a century of searching

Are there innate differences between female and male brains? SebastianKaulitzki/Science Photo Library via Getty Images

Are there innate differences between female and male brains? SebastianKaulitzki/Science Photo Library via Getty Images Ari Berkowitz, University of Oklahoma People have searched for sex differences in human brains since at least the 19th century, when scientist Samuel George Morton poured seeds and lead shot into human skulls to measure their volumes. Gustave Le Bon found men’s brains are usually …

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Does coronavirus linger in the body? What we know about how viruses in general hang on in the brain and testicles

Are there places in the body where SARS-CoV-2 can hide from the immune system? fotograzia / Getty Images

Are there places in the body where SARS-CoV-2 can hide from the immune system? fotograzia / Getty Images William Petri, University of Virginia As millions of people are recovering from COVID-19, an unanswered question is the extent to which the virus can “hide out” in seemingly recovered individuals. If it does, could this explain some of the lingering symptoms of …

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