Coronary artery disease (CAD) causes heart attacks, angina, and
many cases of heart failure and sudden death. Doctors learned to
identify and treat risk factors that lead to CAD, and they have
developed medical and surgical treatments that have greatly
improved the outlook for patients with heart disease. As a result
of behavioral changes and medical interventions, deaths from
heart disease fell by 56% during the second half of the 20th
century, and deaths from stroke fell by an even more remarkable
70%. It's heartening progress — but can it be sustained?
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