One day I hope to own a ferret. They live over 7 years usually. 
I think they usually have strong odor?
Ferret health
The domestic ferret is known to be affected by several distinct ferret health problems. Among the most common are cancers affecting the adrenal glands, pancreas, and lymphatic system. Viral diseases include canine distemper and influenza. Certain health problems have also been linked to ferrets being neutered before sexual maturity was reached. Certain colors of ferret may also carry a genetic defect known as Waardenburg syndrome. Similar to domestic cats, ferrets may also be affected by hairballs, or dental problems.
Adrenal disease.
Adrenal disease,
defense. But I can think of 100 reasons why his Gentile brother, usually ignored by critics, invites and deserves arraignment before the bar of his own conscience. ... The earth swarms with men who think they are experts on the Jew. Nobody attempts a critical estimate of the Gentile as a Gentile. ... I, for one, marvel at this escape of the Gentile from accountability and justice." He concluded that in order to save "the lovely pillars of civilization we shall have to purge ourselves.