Stress at the workplace can come from a variety of sources including environmental factors, personal issues, and organizational demands. Common symptoms of stress include emotional effects like anxiety and depression, physiological effects like changes in heart rate and blood pressure, cognitive effects like poor concentration, and behavioral effects like disrupted sleep. Some effective stress management techniques are relaxation and meditation, regular exercise, cognitive behavioral techniques, and organizational development initiatives in the workplace like sensitivity training, survey feedback, and team building. Managing stress is important for employee well-being and organizational effectiveness.