The phrase "stressful life" means having a lot of pressure, worries, and difficulties that can cause mental or emotional tension and strain. Full definition
The relationship is cumulative, as greater numbers of stressful life events in early life results in a greater risk of negative outcomes later in life [2, 5]. (trialsjournal.biomedcentral.com)
This scale reflects the number of stressful life events reported, ranging from 0 to 8. (journals.plos.org)
A high proportion of the children experienced stressful life events in the past 12 months. (beyondblue.org.au)