67. C. Libov, "Radiation from Needless Medical Tests Can Give You Cancer," Newsmax Health, April 24, 2012, http://www.newsmax-health.net/headline_health/ radiation_medical_tests_/2012/04/24/446984.html.

68. C. K. Cassel and J. A. Guest, "Choosing Wisely Helping Physicians and Patients Make Smart Decisions About Their Care," Journal of the American Medical Association 307, no. 17 (2012): 1801–1802.

69. "Choosing Wisely: Five Things Physicians and Patients Should Question," ABIM Foundation, accessed August 19, 2014, http://www.choosingwisely.org/doctor-patient-lists/.

70. V. M. Rao and D. C. Levin, "The Overuse of Diagnostic Imaging and the Choosing Wisely Initiative," Annals of Internal Medicine 157, no. 8 (2012): 574–577.

71. L. T. Krogsbøll et al., "General Health Checks in Adults for Reducing Morbidity and Mortality from Disease: Cochrane Systematic Review and Meta-Analysis," British Medical Journal 345 (2012): e7191.

72. S. R. Johnson, "Reducing Wasteful Care," Modern Healthcare, August 24, 2013, http://www.modernhealthcare.com/article/ 20130824/MAGAZINE/308249974.

73. L. M. Schwartz and S. Woloshin, "Endless Screenings Don't Bring Everlasting Health," New York Times, April 17, 2012, http://www.nytimes.com/2012/04/17/health/views/endless-screenings-dont-bring-everlasting-health.html.

74. B. L. Jacobs et al., "Use of Advanced Treatment Technologies Among Men at Low Risk of Dying from Prostate Cancer," Journal of the American Medical Association 309, no. 24 (2013): 2587–2595.

75. "Simple Treatments, Ignored," New York Times, September 9, 2012, http://www.nytimes.com/2012/09/09/opinion/sunday/simple-treatments-ignored.html.

76. J. H. Wasfy, "Sometimes 'Unnecessary' Medical Tests Save Lives," Washington Post, October 3, 2013, http://www.washingtonpost.com/opinions/sometimes-unnecessary-medical-tests-save-lives/2013/10/03/74777dce-27b6-11e3-b75d-5b7f66349852_story.html.

77. E. Rosenthal, "Let's (Not) Get Physicals," New York Times, June 3, 2012, http://www.nytimes.com/2012/06/03/sunday-review/lets-not-get-physicals.html.

78. "Heart R hythm Society's Choosing Wisely List Disappoints," Medscape, February 12, 2014, http://www.medscape.com/viewarticle/820477.

79. E. Picano et al., "The Appropriate and Justified Use of Medical Radiation in Cardiovascular Imaging: A Position Document of the ESC Associations of Cardiovascular Imaging, Percutaneous Cardiovascular Interventions and Electrophysiology," European Heart Journal 35, no. 10 (2014): 665–672.

80. P. Kassing and R. Duszak, "Repeat Medical Imaging: A Classification System for Meaningful Policy Analysis and Research," Neiman Report, February 2013, http://www.acr.org/~/media/ACR/Documents/PDF/Research/Brief 02/PolicyBrief HPI012013.pdf.

81. A. J. Einstein et al., "Patient-Centered Imaging: Shared Decision Making for Cardiac Imaging Procedures with Exposure to Ionizing Radiation," Journal of the American College of Cardiology 63, no.15 (2013): 1480–1489.

82. A. M. Seaman, "Doctors Don't Often Tell Patients of CT Scan Risks," Reuters, 2013, http://www.reuters.com/assets/print?aid=USBRE92316120130304.

83. G. Schwitzer, "When Doctors Don't Discuss Harms of Screening Tests with Patients," Health News Review, October 22, 2013, http://www.healthnewsreview.org/2013/10/when-doctors-dont-discuss-harms-of-screening-tests-with-patients/.

84. L. Landro, "New Tracking of a Patient's Radiation Exposure," Wall Street Journal, May 21, 2013, http://online.wsj.com/article/SB100014241 27887324767004578489413973896412.html.

85. C. O'Donoghue et al., "Aggregate Cost of Mammography Screening in the United States: Comparison of Current Practice and Advocated Guidelines," Annals of Internal Medicine 160 (2014):145–153.

86. H. G. Welch, "Breast Cancer Screenings: What We Still Don't Know," New York Times, December 30, 2013, http://www.nytimes.com/2013/12/30/opinion/breast-cancer-screenings-what-we-still-dont-know.html.

87. G. Kolata, "Vast Study Casts Doubts on Value of Mammograms," New York Times, February 12, 2014, http://www.nytimes.com/2014/02/12/health/study-adds-new-doubts-about-value-of-mammograms.html.

88. A. Bleyer and H. G. Welch, "Effect of Three Decades of Screening Mammography on Breast– Cancer Incidence," New England Journal of Medicine 367, no. 21 (2012): 1998–2005.

89. J. G. Elmore and C. P. Gross, "The Cost of Breast Cancer Screening in the United States: A Picture Is Worth… a Billion Dollars?" Annals of Internal Medicine 160 (2014): 203–204.

90. A. B. Miller et al., "Twenty-five Year Follow-Up for Breast Cancer Incidence and Mortality of the Canadian National Breast Screening Study: Randomised Screening Trial," British Medical Journal 348 (2014): g366.

91. J. A. Paulos, "Weighing the Positives," Scientific American, December 28, 2011, http://www.nature.com/scientificamerican/journal/ v306/n1/full/scientificamerican0112-20.html.

92. N. Biller-Andorno and P. Jüni, "Abolishing Mammography Screening Programs? A View from the Swiss Medical Board," New England Journal of Medicine 340, no. 21 (2014): 1965–1967.

93. D. H. Newman, "Ignoring the Science on Mammograms," New York Times, November 28, 2012, http://well.blogs.nytimes.com/2012/11/28/ignoring-the-science-on-mammograms/.

94. J. C. Dooren and R. Winslow, "U.S. Panel Recommends Lung-Cancer Screening," Wall Street Journal, December 30, 2013, http://online.wsj.com/news/articles/SB100014 24052702304591604579290843407880628.

95. D. V. Makarov et al., "Prostate Cancer Imaging Trends After a Nationwide Effort to Discourage Inappropriate Prostate Cancer Imaging," Journal of the National Cancer Institute 105, no. 17 (2013):1306–1313.

96. J. Dorrier, "California Startup, Tribogenics, Develops Smart Phone Sized Portable X-Ray Machines," Singularity Hub, November 16, 2013, http://singularityhub.com/2013/11/16/southern-california-startup-tribogenics-develops-smart-phone-sized-portable-x-ray-machines/.

97. J. B. Haun et al., "Micro-NMR for Rapid Molecular Analysis of Human Tumor Samples," Science Translational Medicine 3, no. 71 (2011): 1–14.

98. N. Ungerleider, "An X-Ray Machine the Size of an iPhone That Looks Like a Star Trek Tricorder," Fast Company, December 8, 2011, http://www.fastcompany.com/1799596/x-ray-machine-size-iphone-looks-star-trek-tricorder.

99. P. Gwynne, "Seeing into the Future," Nature 502 (2013): S96 –S97.

100. M. Kaku, Physics of the Future (Toronto, Canada: Doubleday, 2011), 60–62.