A class of immune cells push themselves into an inflammatory state by producing large quantities of a serotonin-making enzyme, according to a study in mice led by scientists at Weill Cornell Medicine.

Researchers from the Hubrecht Institute in Utrecht, Erasmus MC University Medical Center Rotterdam, and Maastricht University in the Netherlands have found that the coronavirus SARS-CoV-2, which causes COVID-19, can infect cells of the intestine and multiply there.

Plastic pollution is an increasingly present threat to marine life and one which can potentially impact your dinner table. 

Despite concerns expressed by some experts, common high blood pressure medications did not increase the risk of contracting 2019 coronavirus disease (COVID-19)—or of developing severe disease—in a study of 12,594 patients.

Certain genetic changes, termed "pathogenic variants," substantially increase risk for cardiovascular disease and cancer—the leading causes of death—but testing to identify individual carriers is not part of current clinical practice.

Even under normal circumstances, nursing can be a stressful profession. The COVID-19 pandemic only exacerbates it. 

A study conducted by a team of researchers at LSU Health New Orleans has shown for the first time that chronic exposure to inhaled nicotine alone increases blood pressure (hypertension), in both the body’s general circulation and in the lungs that can lead to pulmonary hypertension.

A new study suggests that people are remarkably adept at avoiding exploitation at the hands of others — unless they suffer from anxiety.

Like people, neurons need to talk to one another. But instead of turning thoughts into words, these cells convert electrical signals into chemical ones.

Older adults with depression may be at much higher risk of remaining depressed if they are experiencing persistent or worsening sleep problems, according to a study from researchers at Johns Hopkins Bloomberg School of Public Health.