North America
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How mutations cause drug resistant typhoid bacteria
A range of mutations has led to antimicrobial resistance in many strains of typhoid bacteria, according to a new genetic study published today. Read more
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Genes linked to severe COVID-19
More than 1,000 genes that are linked to the development of severe COVID-19 infection have been identified for the first time. Read more
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Heat shock clue to preventing dementia
Heat shock proteins may play a key role in preventing dementia, helping to explain reports that sauna use reduces risk, according to British scientists. Read more
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Death toll from pandemic 15 million – WHO
Nearly 15 million people globally lost their lives in the first two years of the COVID pandemic because of the virus, according to a new World Health Organization estimate. Read more
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AMI outcomes differ in rich countries
Substantial differences in care for patients with acute myocardial infarction have been found in six high-income countries, according to an analysis published today. Read more
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Low deaths in communities with high COVID-19 vaccine rates
People living in communities with high COVID-19 vaccination rates record fewer deaths from the virus, a new US study has found. Read more
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Promising start for on-demand contraceptive pill study
A “promising candidate” for an on-demand contraceptive pill has been identified in preliminary research, it was announced today. Read more
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Calcium supplements linked to worsening heart valve disease
Calcium supplements are linked to worsening aortic valve stenosis among older people – and an increased risk of earlier death, new US research published today has found. Read more
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Large life expectancy gap for UK women
The UK fares badly against other developed countries, according to a new analysis of women’s life expectancy. Read more
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Obesity link to female cancer investigated
Women who are obese throughout their lives face a doubled risk of developing endometrial cancer, British researchers report today. Read more