Didn't knew that. I remember a highly sensitive ex of mine who prob had it, though she had no problem with smokers in her home 
Hypochondriasis: DSM-IV-TRA. Preoccupation with fears of having, or the idea that one has, a serious disease based on the person's misinterpretation of bodily symptoms.
B. The preoccupation persists despite appropriate medical evaluation and reassurance.
C. The belief in Criterion A is not of delusional intensity (as in Delusional Disorder, Somatic Type) and is not restricted to a circumscribed concern about appearance (as in Body Dysmorphic Disorder).
Illness Anxiety Disorder: DSM-VA. Preoccupation with having or acquiring a serious illness.
B. Somatic symptoms are not present or, if present, are only mild in intensity. If another
medical condition is present or there is a high risk for developing a medical condition
(e.g., strong family history is present), the preoccupation is clearly excessive or disproportionate.
C. There is a high level of anxiety about health, and the individual is easily alarmed about
personal health status.
D. The individual performs excessive health-related behaviors (e.g., repeatedly checks
his or her body for signs of illness) or exhibits maladaptive avoidance (e.g., avoids doctor
appointments and hospitals).
E. Illness preoccupation has been present for at least 6 months, but the specific illness
that is feared may change over that period of time.
F. The illness-related preoccupation is not better explained by another mental disorder, such
as somatic symptom disorder, panic disorder, generalized anxiety disorder, body dysmorphic