Nervous tension is a state of mental and physical strain caused by a combination of PRESSURE, EDGINESS, STRESS, and ANXIETY. It is a common feeling experienced by many people in their daily lives, and can be caused by a variety of factors such as work, relationships, or health issues. PRESSURE is a feeling of being under an intense amount of strain, while EDGINESS is a feeling of unease and restlessness. STRESS is a feeling of being overwhelmed and anxious is a feeling of fear or worry. All of these feelings combined can lead to nervous tension.