Bias in Health Information: Understanding the Agendas

Writers of medical advice–including columnists, insurance companies, governmental agencies, medical organizations, drug companies and even practitioners–are all biased. They always have agendas. They all choose to write about certain topics and not others. They make choices about what to include in their articles, what to leave out and how to state their cases. They’re all self-serving. They all have something to “sell,” even when there is not an immediate cash-return.

Does that mean you should throw up your hands, say the hell with it, and never read or listen to another medical message? I don’t think so, but in order to derive value from these messages, you sure as heck better understand the agendas of the people who created them. Or as the psychologists say, if you want to understand a behavior, you need to figure out what motivated it. Let’s examine some advice-givers and their biases.

What motivates health columnists? Well, how about their continued employment, the needs of their publisher-employers, and the needs of the companies the publishers wish to attract as advertisers? It’s not hard to imagine there are...