Nostalgia for Happy Times Reduces Depression in Mice

It’s a well-known coping strategy when you’re feeling down to think back on happy memories. And, according to a new study on mice, recalling positive memories could do even more good than we thought: it might increase long-term resilience to stress even more effectively than actually experiencing a new happy event.

Making Memories

Steve Ramirez and his colleagues at MIT began by creating a happy memory for the mice: researchers let male mice spend some time with a female. A chemical

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