Scoliosis is associated with pain, although it commonly may be. Even in patients without pain, heart and lung function is often compromised. According to the National Scoliosis Foundation, scoliosis is even associated with reduced life expectancy. On average, due to strain on the heart and reduced amount of oxygen supplied to the body. Scoliosis is also associated with headaches, shortness of breath, digestive problems, chronic disease and hip, knee and leg pain.