Second, even without glare they selectively reduce other reflections from objects above water, including clouds and even the sky (the reflected sky gives most of its blue color to the sea). Finally, light coming from under water is slightly polarized in the vertical plane (polarized on transmission).
1 Alzheimer's is the sixth leading cause of death in the United States. 2  Those with Alzheimer's live an average of eight years after their symptoms become noticeable to others, but survival can range from four to 20 years, depending on age and other health conditions.
When a friend or relative gets diagnosed with Alzheimerâs Disease or some other form of dementia, the care giver or the individual himself may wonder how long he can live while suffering from dementia. The answer to this question is not as easy as it seems.