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.
Verrazano-Narrows Bridge is the longest suspension bridge in the US. Night view of Golden Gate Bridge, the second longest suspension bridge in the US. Mackinac Bridge, spanning the Straits of Mackinac, has a main span measuring 1,158m. George Washington Bridge links the cities of New York and New Jersey.