Our social media feeds can push us to the dark side, with content full of strife and anger, or videos that make us feel bad about ourselves.

But there is a way to reprogram what you see by making different choices. And a new study finds three to five minutes of inspiring content each day can help you feel more positive.

Researchers scoured the internet for videos that elicited "wow" emojis or had gone viral. They identified "underdog" narratives, where a person overcomes adversity, such as the real life story of Sean Swarner, a cancer survivor who set out to climb Mt. Everest. He had battled Hodgkin lymphoma, and had only one functioning lung.

As part of the study, participants watched a video of Swarner describing his quest, and other videos like it, of people succeeding against the

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