PLoS Medicine

Cardiology

No limit to cardiovascular benefits of exercise, study finds

Physical activity is not only associated with a lower risk of cardiovascular disease, but there is no threshold for that association, with the lowest risk of cardiovascular disease seen for those who are most active, according ...

Diseases, Conditions, Syndromes

Most people infected with SARS-CoV-2 develop symptoms: study

While some people who contract SARS-CoV-2 infections never experience any symptoms, there remains disagreement about what proportion of total infections these cases represent. A new study published in the open-access journal ...

Health

Moderate drinking linked to brain changes and cognitive decline

Consumption of seven or more units of alcohol per week is associated with higher iron levels in the brain, according to a study of almost 21,000 people publishing July 14 in the open access journal PLOS Medicine. Iron accumulation ...

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