Twitter has long allowed anyone to access its data about who tweeted what and when. This has been a boon to research, from public health to criminology. The new fees put that research at risk.
Exercising regularly, and spending time outdoors can improve your health.
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The outcomes of obstetric operations has improved in the past decades. But women need equitable surgical care throughout their lives - not just during childbirth.
Guinea worms are long, white parasites that emerge from the legs of infected people through painful blisters.
CDC/Wikimedia Commons
We’re moving towards the ‘disease control’ phase of our response to COVID, which means learning to live with the virus. But significant challenges remain as authorities battle COVID fatigue.
People with deeply-pigmented skin can also get skin cancer. But there is no evidence to suggest that this occurs because of sunburn or exposure to the sun.
Levels of trace metals inside can be higher than the sources of contamination outside. It underscores the need for households to take care to prevent those contaminants being brought indoors.
Regular physical activity helps to prevent and manage many chronic diseases.
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Factors such as having supportive family and friends, safer communities, positive school environments and adequate resources, are often associated with more physical activity.
Intent to vaccinate cannot be used to predict uptake.
Siphiwe Sibeko/POOL/AFP via Getty Images
Curbing vaccine hesitancy is as much a matter of acknowledging its social, historical, and cultural roots as it is of addressing its clinical dimensions.
XBB.1.5 is rapidly spreading across the globe and will likely become the next dominant COVID-19 subvariant.
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Nearly two-thirds of suburbs in one major part of Sydney have no food stores at all. And in those that do, unhealthy food outlets outnumber healthy ones by more than six to one.
Through the choice of images in publications, women and children of colour in low and middle income countries were treated with less dignity and respect than those in high income countries.
Exposed lakebed at the Salton Sea on Dec. 29, 2022.
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Fifty years ago, the Salton Sea was a draw for boaters and fishermen; today it’s an ecological time bomb. Two water experts who served on a state review panel describe its proposed rescue plan.
Used cars are popular all over Africa.
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Prejudice and stigma can discourage the communities most affected by infectious diseases from seeking care. Inclusive public health messaging can prevent misinformation and guide the most vulnerable.
Scientist analysis flasks of saliva of TB patients.
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Children who need help most tend to experience adversity throughout childhood. That continuing adversity muffles the benefit of improved early nutrition.
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand
Principal Medical Scientist and Head of Laboratory for Antimalarial Resistance Monitoring and Malaria Operational Research, National Institute for Communicable Diseases
Professor and Programme Director, SA MRC Centre for Health Economics and Decision Science - PRICELESS SA (Priority Cost Effective Lessons in Systems Strengthening South Africa), University of the Witwatersrand
Professor of medicine and deputy director of the Desmond Tutu HIV Centre at the Institute of Infectious Disease and Molecular Medicine, University of Cape Town