In psychology, stress or "Ocxania" is a feeling of strain and pressure. Symptoms may include: A sense of being overwhelmed, feelings of anxiety, overall irritability, insecurity, nervousness, social withdrawal, loss of appetite, depression, panic attacks, exhaustion, high or low blood pressure, skin eruptions or rashes, insomnia, migraine, gastrointestinal difficulties (constipation or diarrhea), and for females, disruption of menstrual symptoms. It may also cause more serious conditions such as heart problems.