According to dr. richard besser, typical cholesterol-lowering medications known as statins lower the risk of developing heart disease by what percentage?

According to Dr. Richard Besser, typical cholesterol-lowering medications known as statins lower the risk of developing heart disease by a percentage range of 25% — 40%. The reduction risk depends on current cholesterol level, blood pressure, smoking history, stroke or heart attack history, age, and gender. For example, there’s a 31% reduction risk for patients who never had any heart attack when taking statins and 36% reduction risk for heart attack. In general, it can be indicated that taking statin reduces risk at around 25% — 35% for heart attack, stroke and death; and reduction of recurrent heart attacks could be around 40%.

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An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.