what are twelve frequently asked questions about down syndrome?

1. what are the symptoms ?
2. what are the causes?
3. what are the risk factors?
4. Any way to prevent?
5. What are the conventional treatments?
6. What to go for help?
7. Any complications associated with down syndrome?
8. How does it affect intelligence and cognitive functions?
9. How to test for down syndrome?
10. life expectancy of down syndrome patients?
11. what are the alternative treatments?
12. What are the things that may be concerns of the family?