We’re wired to consume information as well as sugar, and our sweet tooth is killing us! According to the New York Times, the over-consumption of information negatively impacts us all and is “particularly powerful for young people. The risk is that developing brains can become more easily habituated than adult brains to constantly switching tasks — and less able to sustain attention.” Healthy information consumption habits are about more than productivity and efficiency. They’re about your personal health, and the health of society. Just as junk food can lead to obesity, junk information can lead to new forms of ignorance. Clay Johnson tells us how to find out only the information we really need, and how to relax into healthy, balanced knowing.