Ghosts

Ghosts
Over the centuries there have been very many tales that tell of ghosts but the question still remains, do they really exist or is it all in the mind?
Types of ghosts.
I have found through my research that there are many different types of ghosts. For example:

Poltergeists: many people think these are ghosts but they do not behave like normal ghosts do. Poltergeists can move objects such as chairs, tables, mirrors, beds, televisions etc. Poltergeists have never been seen but objects have been seen flying through mid air and also just suddenly appearing out of nowhere, they can also make objects fit through openings which are too small for them to fit and often after the object has stopped moving they are too hot to touch. Poltergeist activity most commonly occurs when there are children present between the ages of 12-16. Some researchers believe that these activities could also be the result of psychokinesis, this is the ability to move objects using only the mind. The...