stress

Jamie Foster’s space-faring squid and its symbiotic bacteria illuminate host-microbe communication.

In mice, chronically high levels of stress hormones worsen bowel inflammation.

Upregulation of a specific microRNA in the brain lessened anxiety and reduced the expression of stress-related genes in mice. 

A new study relying on DNA methylation clocks suggests that the biological age of mouse and human cells can fluctuate in response to stressful events.

Research into how pancreatic tumors adapt to stress could lead to a new treatment approach.

Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.

Health data from 5,744 adults over the age of 50 reveals an association between stressors such as discrimination and a relatively small proportion of younger infection-fighting immune cells.

An odorant found in the pee of pregnant mice—and in bananas—induces stress but also relieves pain in male mice, a study shows.

Researchers find that evolution can operate on extraordinarily fast timescales.

Rechtschaffen sought to understand the evolutionary purpose of shut-eye.

A large, long-term study across the US and Sweden finds potential correlations between specific pollutants and the proportions of male and female babies born.

Researchers identified a novel mechanism by which chemically induced stress is “remembered” by the mitochondria of worms more than 50 generations after the original trigger.

Neurons stressed with chemicals produce Wnt, which in turn triggers changes in the germline.

Abnormal sympathetic neuron growth leads to simultaneous activation of clusters of sensory neurons, causing the difficult-to-treat sensation.

Scientists show that an influx of noradrenaline can halt immune cells in mice.

Research in mice and humans points to oxidative stress and inflammation as likely drivers of noise-induced health effects such as hypertension and heart disease.

A chronically stressed amygdala can prime the heart to overreact to acute stress events, a new study shows.

Sound from cars, aircraft, trains, and other man-made machines is more than just annoying. It increases the risk of cardiovascular disease.