Yes, scientists have figured out how to erase only bad memories. Simply put, they created a meth addiction in a group of laboratory mice who were trained to associate their addiction with certain sensory rewards and blocked that particular action, which caused the mice to forget the association of certain things with addiction memories. Continue reading for 10 interesting facts about human memory and more information.

And it worked: the mice proved in tests that the things that reminded them of meth no longer did so. Their other memories were unaffected.

Memory has long fascinated scientists. Researchers have already learned how to erase memories of fear, as well as how to plant false memories.

Now, they want to erase all bad memories, at least those tied to drug addiction. Scientists looked at these particular memories because of how potent they are: drug cravings are triggered by something as simple as seeing a dollar bill or smelling cigarette smoke.

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