In general, grey hands are caused by dirt. The grey color may wash off. Grey hands can also be a symptom of severe frostbite, or death, but in those cases you probably would have noticed. Other than that, if you have been washing your hands in some unusual chemicals, staining is possible.
becuase your dying
what causes hands to look green
The cause of the endangerment was man made causes for the gray wolf.
gray
No, Macy Gray does not have autism, although she does shows for autism causes.
because your old
Probably because of frostbite
Because cold weather causes hands to chap.
arthritis
it causes friction
Arthritis
Eczema