Understanding terms like sensitivity and specificity can help us make sense of COVID-19 testing, the accuracy of tests and what the results mean.
Counting macronutrients offers more food flexibility – but may be most useful when trying to build muscle.
Less than 1% of the world’s research is produced in Africa.
Sewage surveillance is one technique that can alert authorities to the presence of a pathogen in the community. An environmental engineer explains the state of the science when it comes to SARS-CoV-2.
The global pandemic has fueled illicit online sales of COVID-19 commodities, some of which are dangerous or illegal. Researchers are assessing the size and reach of this underground market.
The condition that has caused Japan's prime minister, Shinzo Abe, to resign.
We modelled surface water across Africa to show which parts of the continent are climatically-suitable for malaria – and how this will change.
Scientists were not surprised by reports on coronavirus reinfection; the lack of symptoms on reinfection is encouraging.
Poor populations bore a disproportionately higher burden of poor health.
Researchers are only beginning to understand the relationship eating time and circadian rhythm have on our body weight.
To reduce the prevalence of diabetes in Malawi, efforts to promote healthy eating should target the entire population and not only people who have diabetes.
Abnormal functioning of the immune system is what characterises severe COVID, and can be driven by diabetes, obesity, sex and age.
The government should used trusted spokespeople, tailor information so it can be understood by different groups, acknowledge people's concerns, be transparent, and seek public feedback along the way.
New research shows China's claim to have eradicated this parasitic disease in the 1950s were false, and part of a big cover up.
Staging this conference in all time zones with fair distribution of prime-time events was no small feat. But the exchange of ideas, experiences and solutions remained a strong priority.
A blood test to detect Alzheimer's disease in people who have symptoms and even those who don't has been shown to work. Scientists still need to improve its accuracy rate to almost 100%, however.
Some people who have never had COVID-19 have the antibodies to fight it – possibly from an earlier infection with a different coronavirus.
The stigma that dehumanizes people living with dementia is reflected in the toll of COVID-19 in long-term care. Reforming long-term care must challenge this stigma with a new ethic of care.
The government touted a response based on science and data but a surge is showing otherwise
Some viruses can hide out in the body and reemerge at later times. Which viruses do this, and can the new coronavirus do this too?