What happens when there is mourning with no closure, when a family member or a friend who may be still alive is lost to us nonetheless? How, for example, does the mother whose soldier son is missing in action, or the family of an Alzheimer's patient who is suffering from severe dementia, deal with t...

What happens when there is mourning with no closure, when a family member or a friend who may be still alive is lost to us nonetheless? How, for example, does the mother whose soldier son is missing in action, or the family of an Alzheimer's patient who is suffering from severe dementia, deal with the uncertainty surrounding this kind of loss?