1 The Democratic Party has changed significantly during its more than two centuries of existence. During the 19th century the party supported or tolerated slavery, and it opposed civil rights reforms after the American Civil War in order to retain the support of Southern voters.
There are many causes of scoliosis, including congenital spine deformities (those present at birth, either inherited or caused by the environment), neuromuscular problems, genetic conditions, and limb length inequality.
Scoliosis can be classified by etiology: idiopathic, congenital or neuromuscular. Idiopathic scoliosis is the diagnosis when all other causes are excluded and comprises about 80 percent of all cases. Adolescent idiopathic scoliosis is the most common type of scoliosis and is usually diagnosed during puberty.