According to the American Psychological Association, chronic stress is linked to the six leading causes of death: heart disease, cancer, lung ailments, accidents, cirrhosis of the liver and suicide. And more than 75 percent of all physician office visits are for stress-related ailments and complaints.
In most cases, seawall design includes a curved embankment facing the water, so the energy from the waves of the ocean are directed back out to sea. Building a seawall is an expensive undertaking, with cost estimates ranging from around four-thousand to seven-thousand dollars per meter.
According to a Government Accountability Office 2009 report, the cost to build 1 mile of fencing at the border averaged between $2.8 million and $3.9 million. But that figure may be low relative to costs for future sections of the wall.