The chances of getting breast cancer increase with age, and the disease is much more likely after age 50 than before. So, from a public health and cost-effectiveness perspective, annual screening mammograms do the most good after age 50.
Mackinac Bridge. Mackinac Bridge. The Mackinac Bridge is located on Interstate 75 in northern Michigan at the Straits of Mackinac.The iconic bridge connects Michigan's upper and lower peninsulas. Mackinaw City is located at the south end of the bridge, while St. Ignace is located at the north end.
The Mackinac Bridge was opened to vehicle traffic in 1957. During construction five workers were killed, one death resulting from a diving accident and the remainder from falls. A bridge painter also fell to his death in 1997. A memorial is erected in nearby Clare, MI to honor all bridge workers whose lives were lost.