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.
Alzheimer's Disease. On Death and Dying; Causes of Death in Alzheimer's Disease. The CDC (Centers for Disease Control) reported this year that in 2006 Alzheimerâs disease moved up one place to become the 6th leading cause of death in the USA. 72,914 Americans died of the disease. While life expectancy for Americans increased to an average 78.1years, statistics showed that Alzheimerâs disease was the only one of the 15 leading cause of death where death rates increased (age is one of the major risk factors for Alzheimerâs).