.Back pain is one of the most common health problems in modern society, affecting millions of people of all ages worldwide. It is no longer limited to older adults; young people also suffer from it due to prolonged sitting, lack of physical activity, and poor posture while working or studying. The pain may be mild and disappear within a short period, or it may become severe and chronic, limiting a person's ability to perform daily activities and reducing their quality of life. To understand the causes of back pain, it is important to understand the structure of the spine. The spine consists of a series of vertebrae separated by intervertebral discs that absorb shock and allow smooth movement. It is also supported by muscles and ligaments that provide strength and stability. The spinal cord runs through the vertebrae, transmitting nerve signals between the brain and the rest of the body. Any damage or disorder affecting these structures can lead to back pain. The causes of back pain are varied. They include muscle strain caused by lifting heavy objects or making sudden movements, herniated discs that compress nearby nerves, weak back muscles, obesity, lack of regular exercise, aging, and certain diseases affecting the bones and joints. In addition, sitting or standing in incorrect positions for long periods is one of the most common causes of back pain today. The symptoms of back pain vary from one person to another. Some people experience localized pain in the upper or lower back, while others may suffer from stiffness and difficulty moving. In more severe cases, the pain may radiate to the legs or arms due to nerve compression and may be accompanied by numbness, tingling, or weakness in the limbs. The diagnosis of back pain is based on the patient's medical history and a physical examination. If necessary, the physician may recommend imaging tests such as X-rays or magnetic resonance imaging (MRI) to determine the exact cause of the pain and select the most appropriate treatment. Treatment depends on the underlying cause of the condition. In most cases, it includes relative rest, pain relievers, anti-inflammatory medications, and physical therapy exercises to strengthen the back muscles and improve flexibility. In advanced cases, such as severe herniated discs or significant nerve compression, surgical intervention may be required. Prevention remains the best approach to managing back pain. The risk can be reduced by maintaining a healthy body weight, exercising regularly, using proper posture while sitting and standing, lifting heavy objects correctly, and taking regular breaks during long periods of sitting or work. In conclusion, back pain is a common health condition, but most cases can be prevented or effectively managed through a healthy lifestyle and timely medical care. Taking good care of the spine is not only essential for treating pain but also for maintaining overall health and improving quality of life in the long term. Al-Mustaqbal University, the first university in Iraq.