The human body harbors a diverse ecosystem of microorganisms, including bacteria,
viruses, and fungi, collectively known as the microbiota. Current research is increasingly …

There have been hundreds of millions of cases of coronavirus disease 2019 (COVID-19),
which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). With …

A novel syndrome called long-haul COVID or long COVID is increasingly recognized in a
significant percentage of individuals within a few months after infection with SARS-CoV-2 …

Ischaemia–reperfusion (I–R) injury, initiated via bursts of reactive oxygen species produced
during the reoxygenation phase following hypoxia, is well known in a variety of acute …

The postacute sequelae of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2)
infection (PASC), also known as post‐acute coronavirus disease 19 (COVID‐19) or the long …

Inflammatory bowel disease (IBD) is a complex disorder characterized by chronic
inflammation of the gastrointestinal tract (GIT). IBD mainly includes two distinct diseases …

Melatonin is a pineal indolamine, allegedly known as a circadian rhythm regulator, and an
antioxidative and immunomodulatory molecule. In both experimental and clinical trials …

A comprehensive evaluation of the risks and 1-year burdens of gastrointestinal disorders in
the post-acute phase of COVID-19 is needed but is not yet available. Here we use the US …

Although many recent studies have examined associations between the gut microbiome and
COVID-19 disease severity in individual patient cohorts, questions remain on the robustness …

The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) has posed a global health crisis. Increasing …