The Flaw With Medical Research That Puts Lives at Risk

The results of Pfizer's COVID-19 vaccine trial were clear and dramatic. That's rare in medical research. Here's what often happens – and why it's so dangerous, according to an Israeli expert

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Benjamin Mozes.
Benjamin Mozes.Credit: Tomer Appelbaum
Smadar Reisfeld
Smadar Reisfeld
Smadar Reisfeld
Smadar Reisfeld

In October 2018, a prestigious scientific journal published a series of articles that jolted the medical world. Scientists from the United States stated, in the wake of an extensive study, that people over 70 who take aspirin regularly as a preventive measure, are not at lower risk of falling ill with heart and vascular disease – but are in fact at higher risk of dying from cancer. Until then, physicians had urged healthy older people to take aspirin as a means of preventing myocardial infarction (a heart attack), on the basis of studies that also claimed that in addition to its beneficial influence on the heart, aspirin could reduce the risk of dying from cancer. Now all that was being tossed out the window.

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