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Archive for March 5th, 2014

Messaging and Public Health

Affecting public health has a few components. It includes providing a safe environment at home, at work, and in public spaces. It involves protecting the food and water supply from pathogens and toxins. Perhaps the most challenging component, however, is affecting people’s behaviors. Humans are complex psychological animals, and simply providing information to facilitate a rational decision may not always have the intended effect.

Those in power wishing to protect the public from themselves can simply pass laws that coerce people into safer behavior, such as seat belt laws and helmet laws. This approach amounts to outlawing certain unhealthy choices. There is also the “nudge” approach where the unhealthy choice is not outlawed, but the healthier choice is facilitated or made the default choice so that people have to work harder if they still wish to make the unhealthier choice for themselves.

Short of passing laws to force or nudge people in the right direction, the default approach to improving healthy behaviors is to provide information via either public service announcements or warning labels. How effective, however, are such measures? (more…)

Posted in: Public Health

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