Linda Waite of the University of Chicago has found that a married older man with heart disease can expect to live nearly four years longer than an unmarried man with a healthy heart.

Two studies from the University at Buffalo presented at the 2008 American Academy of Neurology meeting in Chicago shed new light on very early development of the disease.

Chlorine was first added to a community water system in 1908 in Chicago and was instrumental in eliminating many types of water-borne disease such as Cholera and Typhoid fever.