Just Stats

These are just a few interesting statistics I found when looking around.

• Approximately 20.9 million American adults, or about 9.5 percent of the U.S. population age 18 and older in a given year, have a mood disorder.
• The median age of onset for mood disorders is 30 years.
• Autism and other ASDs develop in childhood and generally are diagnosed by age three.
• Autism is about four times more common in boys than girls. Girls with the disorder, however, tend to have more severe symptoms and greater cognitive impairment.
• Bipolar disorder affects approximately 5.7 million American adults.
• The median age of onset for bipolar disorders is 25 years.
• Approximately 6 million American adults ages 18 and older, or about 2.7 percent of people in this age group in a given year, have panic disorder.
• There are 6,500,000 retarded, of these only 200,000 must be taken care of in an institution - all others can do some kind of work
• There are over 200 causes of mental retardation. Retardation may result because of brain damage or birth defects; however social, environmental, medical and cultural deprivation account for the most retardation and these causes can be prevented.
• About 3% of America's population suffers from mental retardation. This figure is tantamount to about 7 million people.
• 40 to 50% of children with Down Syndrome have congenital heart defects in the US.
• 80% of Down syndrome cases occur in mothers under 35.
• The risk of having a Down syndrome child is 1 in 400 if the mother is 35-40 years old.
• The risk of having a Down syndrome child is 1 in 110 if the mother is over 40.