Do they cause cancer??
no, some idiot just started that stupid rumour
dont beleive everything you hear or read
a hicky is a bruise
the same kind of bruise you get when you fall over
if it did caused cancer, majority of the worlds population would be dead by now
hickys do not cause cancer
where did you hear that?
cancer are cells that dont function properly... hickies are ust a sort of light bruising of the skin...
Christ why does everybody ask this stupid question?
No they do not, it's a stupid myth someone made up.
no theii do not
-hope I helped :D