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.
Effects. Severe stress can cause a variety of physical symptoms. Some of the most common symptoms include migraine headaches, irritable bowel syndrome, fatigue, high blood pressure, loss of appetite, insomnia and restlessness.