Psychosocial Stage 1 - Trust vs. Mistrust The first stage of Eriksonâs theory of psychosocial development occurs between birth and one year of age and is the most fundamental stage in life.2 Because an infant is utterly dependent, the development of trust is based on the dependability and quality of the childâs caregivers.
Some of the many causes of work-related stress include long hours, heavy workload, job insecurity and conflicts with co-workers or bosses. Symptoms include a drop in work performance, depression, anxiety and sleeping difficulties.
Medical causes â unrelenting exhaustion may be a sign of an underlying illness, such as a thyroid disorder, heart disease or diabetes. Lifestyle-related causes â alcohol or drugs or lack of regular exercise can lead to feelings of fatigue. Workplace-related causes â workplace stress can lead to feelings of fatigue. Emotional concerns and stress â fatigue is a common symptom of mental health problems, such as depression and grief, and may be accompanied by other signs and symptoms, including irritability and lack of motivation.