We spend more and more of our lives staring at screens. Our cellphones, smartwatches and laptops allow us to communicate instantly with people across the globe, and quickly look up obscure facts. But our digital devices are also altering our brains in profound ways. This week, psychologist Gloria Mark explores how our ability to focus is shrinking, and offers ways to protect our minds in a world filled with endless distractions.

Want more suggestions on how to stay focused in a distracting world? Here are a few additional episodes to check out:

You 2.0: Deep Work

Taking Control of Your Time

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