Process
Status Items Output None Questions None Claims None Highlights Done See section below
Highlights
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When the Type A personality was introduced into the medical lexicon by a pair of cardiologists, it was considered a negative thing — a behavior pattern to avoid, not to admire, as it would lead to stress-induced heart attacks (or so they claimed).
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From the 1960s through the 1990s, much of the research on Type A behavior was partially funded by two tobacco companies, Philip Morris and R.J. Reynolds
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What if, as Friedman himself argued, it wasn’t so clear-cut as cigarettes causing heart disease? What if, instead, people who are easily stressed tend to have more heart problems, and people who are more easily stressed are also more likely to smoke? As Friedman said in the journal Medical Times in 1962: It seems probable that heavy cigarette smokers have more clinical coronary artery disease than non-smokers. Does this mean that excess nicotine is responsible? Or does it mean that persons exhibiting the behavior pattern I described above tend to smoke more? In other words, are we mistaking a concomitant for a cause? I am positive we are.