When it comes to Instagram, it’s all about the likes. But did you know that something unique happens when you receive a notification on social media? Here’s the breakdown.

»RELATED: The 5 most Instagrammed locations in Atlanta

Once someone gives your post a thumbs up, dopamine, a chemical associated with pleasure, is released. It’s been compared to taking a drug.

Why is that? Because the feeling is addictive. The unpredictability of how many likes you may get with each new upload is exhilarating. It’s what keeps folks coming back for more.

Watch the Business Insider video below for the full explanation.

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Joel Katz was known for his philanthropy, too. Here he is honored at the Music is Medicine exhibition at the Winship Cancer Institute of Emory University in 2016. (Ben Gray / AJC)

Credit: BEN GRAY / AJC

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Pinky Cole's Ponce City Market location in Atlanta, Georgia, 'Bar Vegan', during lunch time on April 5, 2024. (Jamie Spaar for the Atlanta Journal Constitution)

Credit: Jamie Spaar