If you believe in ghosts, they cannot come back to life. Not everyone believes in them and scientists have not proven their existence. What ghosts can supposedly do is possess property, pets, and people. They are spirits who have not crossed over, for whatever reasons. The reasons ghosts don't fully cross over to the other side is because of deep guilt, unfinished business, or severe trauma (think of the Holocaust or 9/11). But they cannot take another body while in the form of a ghost. So they might possess something or someone other than them. If you believe this line of reasoning, the spirits might even believe another person's body is their own. A spirit from someone who committed suicide might assume they didn't complete the job, and they might possess someone and try again.
Now, if they have all of their spiritual pieces, realize they are dead, and are ready to continue their spiritual journey, spirits can ascend into the light. From there, they are free to decide whether to take another body and start over or whether to pass on permanently into whatever light that remains. But there cannot be any proof of this since, if reincarnation is true, then it is necessary that you forget all of what you experienced before.
no, they come back as ghost like figures when harry has the ressurection stone but they can't come back fully.
he didn't. he was a force ghost
A ghost, an animal or you could come back in hell.
There no evidence that a ghost ever came back, and no evidence that a ghost came back in revenge on behalf of a living person.
yes but its random and its a genie not a ghost
they come to life when you take a pic. or that's just the ghost itself
well. I'd say yes u can come back as a ghost.. but depending of who you died if you got murdered for example some people forget that they died so they come back as ghosts..s
yes there i death. but you can come back to life or live life out being a ghost and scaring people. how you can come back to life is you go to see the grim reaper. he should be somewhere on your lot. you can either challenge him in a fiddle duel or give him 500 simoleons.
It will not come back to life.
no he does not come back to life on drawn to life but he does come back on drawn to life the next chapter.
Old Answer: Nothing, that is a personal belief, not a proven fact. My Answer: What i have heard over my years of life (which i have talked to a few ghost hunters named Nick groff, Zak Bagans, and Aaron Goodwin Ghost Adventures) They have said its because they have not been put to rest yet and you have to have a spiecial person to get rid of a ghost.
I don't personally think ghost whisperer will ever come back, because there is nothing left for it to come back for, everything worked out, i miss it, and it would be awesome if it did, but its most likely not.