Hello and welcome to Al Jazeera's continuing coverage of the coronavirus pandemic. I'm Kate Mayberry in Kuala Lumpur. The World Health Organization has warned of the risks of an "immediate second peak" as countries ease up on lockdowns, urging governments in Europe and the US to step up surveillance, testing and tracking measures to keep…
Dementia is the name given to a group of symptoms linked to an ongoing decline in brain function. You could be at risk of the neurodegenerative condition if you develop difficulties with your vocabulary.There are a number of different types of dementia, and the most common in the UK is Alzheimer’s disease.Diagnosing the condition early…
The WHO recently warned re-infection by coronavirus is possible.The CDC remains confident a second wave will hit later this year.The exuberant stock market rally could suddenly unravel.The World Health Organization warned Friday that COVID-19 patients might not be immune to a coronavirus “second infection.” Consequently, the extraordinary stock market risk rally since Mar 23 may…
A pathologist holds a vial from a COVID-19 test kit. Various bottlenecks in the U.S. that have constrained widespread testing for the coronavirus were problems in February and persist today. Michael Nagle/Bloomberg via Getty Images hide caption toggle caption Michael Nagle/Bloomberg via Getty Images A pathologist holds a vial from a COVID-19 test kit. Various…
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6 min read THE BODY IS a complex machine. Your corporeal form houses over 600 muscles, all working together to help you perform your best every day. Fitness pros tend to organize all of these into different muscle groups—think upper body, lower body, core, and legs. If you're training to improve your physique, it may
Graphical abstract. Credit: Biomolecules and Biomedicine (2025). DOI: 10.17305/bb.2025.12331 Researchers report in a study, published in Biomolecules and Biomedicine, that lower blood levels of vitamin D are consistently linked with higher rates of depression in adults—especially when 25-hydroxy-vitamin D [25(OH)D] falls at or below 30 nmol/L. The authors emphasize that this does not prove cause: