Causes of Ankle Pain. 1  Ankylosing Spondylitis Ankylosing spondylitis is a type of arthritis that causes chronic inflammation of the spine. 2  Arthritis Arthritis is inflammation of one or more joints. 3  Broken Bone (Types of Bone Fractures) A broken bone is a fracture.
Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) in infancy. All affected individuals experience cognitive delays, but the intellectual disability is usually mild to moderate.
Down syndrome is a condition in which a baby has an extra chromosome. Chromosomes are small âpackagesâ of genes in the body. They determine how a babyâs body forms during pregnancy and how, as the baby grows in the womb and after birth, the babyâs body functions.ome examples of physical problems associated with Down syndrome include a birth defect of the heart or problems with the stomach, hearing, skeleton, intestines, thyroid, or eyes. People with Down syndrome usually have an IQ in the mild-to-moderate range of intellectual disabilities.