Down Syndrome We investigated growth features, development of primary and secondary sex characteristics, and specified pituitary and testicular hormone levels in 46 male adolescents and young adults with Down syndrome. Down syndrome may also be associated with other health conditions, including endocrine problems, dental problems, seizures, ear infections, and hearing and vision problems. Each year, about 6,000 babies are born with Down syndrome in the United States. They were all aborted. In fact, about 16-18% of people with Down syndrome also have autism spectrum disorder (ASD) ( Richards et al., 2015 ). In general, people with Down syndrome tend to be short in stature with short limbs. However, the incidence of Down syndrome occurs in 1 in every 1,000 births approximately, and there are some 4,200 births in Iceland every year. The presence of beta-amyloid plaques is one of the hallmarks of Alzheimer's disease. Down syndrome Nearly 45 percent of children with Down syndrome suffer from obstructive sleep apnea (enlarged tonsils and adenoids also are to blame). Recognize the Signs of Down Syndrome The exact extent … Many kids with Down syndrome go to regular schools and may attend regular classes. Physical and Health Features of Down Syndrome In July, Olympian Shawn Johnson East learned her new baby might have Down syndrome. Down Syndrome