Stress in the workplace can be caused by factors like being overworked, distractions, ADHD, anxiety, and life outside of work. Some ways to overcome stress include being organized, listening to music, taking vacations, using fidget toys, and spending time with friends. Stress can lead to serious issues like suicide, stress eating, drug use, and violence if not properly managed. The document recommends using fidget spinners and not letting others drag you down as ways to reduce stress.