Events that people perceive to be stressful are called stressors.
The impact of the stressor depends on how the individual interprets the event. Of course, some events such as death of a spouse or a chronic illness are virtually universally perceived as stressful. Often stressors are interpreted by similar people in similar ways.
Stressors that continue indefinitely or are recurrent
Major Life Events or Acute Stressors
Stressors that are bad for a period of time and then go away
Unpleasant often temporary events
Chronic illnesses such as cancer or diabetes
Living or working in crowded conditions
Too many work responsibilities
Death of a loved one
Severe illness like life-threatening cancer
Natural disasters such as hurricanes or tornadoes
Man-made disasters such as nuclear meltdowns or war