You like to watch panda videos. Admit it.

This type of online activity may feel silly and a waste of time. But a lot of what we do on social media may be good for us, a growing body of new research shows. Our experiences online can increase our connectivity and combat loneliness, boost our mood and improve our relationships and our memory.

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We turn to social media for social support and engage online in topics and causes that matter to us: Facebook to connect. Twitter to follow the news. Instagram to show our artsy side. Snapchat to be funny.

Neuroscientists believe that we get a spike of the neurotransmitter dopamine, which increases when the reward systems of our brain are activated, when we get a “like” or a comment on one of our posts. “It’s a powerful positive reinforcement,” says Patricia Wallace, a psychologist and author of “The Psychology of the Internet.”

Click for more from The Wall Street Journal.