valetudinarian-
1.an invalid.
2.a person who is excessively concerned about his or her poor health or ailments. –adjective
3.in poor health; sickly; invalid.
4.excessively concerned about one's poor health or ailments.
5.of, pertaining to, or characterized by invalidism.
from dictionary.com
A daily (or nearly so) addition to my lexicon.
