Do you suffer from phobia (of any kind)?
Some examples: Social phobia, specific phobias,
agoraphobia
For details see
http://en.wikipedia.org/wiki/Phobia
or
http://en.wikipedia.org/wiki/List_of_phobias
yes: i suffer from phobia (of any kind)
no: i do not suffer from phobia (of any kind)
unknown: i do not know