In 1960, on average, persons with Down syndrome lived to be about 10 years old. In 2007, on average, persons with Down syndrome lived to be about 47 years old . Many factors can affect how long a person with Down syndrome lives.
People with Down syndrome are typically hyperflexible. Over the years they can put increased wear-and-tear on their large joints (hips, knees, etc.). This leads to increased risk of osteoarthritis. Adults who are overweight or who were previously overweight are at increased risk.
The presence of beta-amyloid plaques is one of the hallmarks of Alzheimer’s disease . By age 40, most people with Down syndrome have these plaques, along with other protein deposits, called tau tangles, which cause problems with how brain cells function and increase the risk of developing Alzheimer’s symptoms. 6 дней назад
No one gets Down syndrome later in life . It’s one of the most common genetic birth defects (a birth defect is a problem that happens while a baby is still growing inside their mother). Now you know that Down syndrome is caused by a problem with a chromosome.
Many people with Down syndrome have the common facial features and no other major birth defects. However, some people with Down syndrome might have one or more major birth defects or other medical problems.
Younger women have babies more frequently , so the number of babies with Down syndrome are higher in that group. However, moms who are older than 35 are more likely to have a baby affected by the condition.
Does Down Syndrome Run in Families ? All 3 types of Down syndrome are genetic conditions (relating to the genes), but only 1% of all cases of Down syndrome have a hereditary component (passed from parent to child through the genes). Heredity is not a factor in trisomy 21 (nondisjunction) and mosaicism.
Those with Down syndrome nearly always have physical and intellectual disabilities. As adults, their mental abilities are typically similar to those of an 8- or 9-year-old. They also typically have poor immune function and generally reach developmental milestones at a later age .
A young child with Down syndrome that presents with persistent oppositional, impulsive, disruptive, irritable, and aggressive behaviors should be considered under a possible mood disorder.
Down Syndrome and Alzheimer’s Disease. As they age, those affected by Down syndrome have a greatly increased risk of developing a type of dementia that’s either the same as or very similar to Alzheimer’s disease.
Long-term (chronic) constipation problems. Sleep apnea (because the mouth , throat, and airway are narrowed in children with Down syndrome) Teeth that appear later than normal and in a location that may cause problems with chewing. Underactive thyroid (hypothyroidism)
What conditions or disorders are commonly associated with Down syndrome? Heart defects . Almost one-half of babies with Down syndrome have congenital heart disease ( CHD ), the most common type of birth defect . Vision problems . Hearing loss. Infections . Hypothyroidism.
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Most of the time, Down syndrome isn’t inherited. It’s caused by a mistake in cell division during early development of the fetus. Translocation Down syndrome can be passed from parent to child .
Many health care providers recommend Down syndrome screening and/or diagnostic tests for pregnant women who are 35 years of age or older . A mother’s age is the primary risk factor for having a baby with Down syndrome. The risk increases as a woman gets older.