A low level of income, below the minimum salary, is a stressful situation that favours the loss of social skills and increases stress.
Second, although being diagnosed with cancer is typically a stressful life event in itself, diagnosis through an emergency presentation increases stress, anxiety and inconvenience for patients and their relatives.
This separation, according to the study, increases stress levels and death rates.
As intensity within stores increases, stress on shop employees also increases.
This study, the first of its kind, shows that light pollution increases stress hormone concentrations in free-living songbirds.
Insufficient sleep increases stress, and Americans now sleep on average only seven hours a night, versus eight hours for our parents' generation and 10 hours for our great-grandparents'.
The effects of particles from air pollution are largely to do with inflammation, whereas noise exposure increases stress levels leading to physiological arousal, such as raised heart rate and blood pressure.
What this suggests, says Benjamin Greenwood, a professor of integrative physiology at the University of Colorado who designed and led the study, is that "even forced exercise increases stress resistance".
A high level of traffic noise increases stress.
Stenosis significantly increases stress levels in all stents.
Dieting increases stress sensitivity, and stress makes us seek out rewarding things like high-fat, high-calorie "comfort" foods.
