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One study suggests middle-aged adults with a history of problem drinking may be twice as likely to develop serious memory issues as the years wear on.
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Childhood amnesia descends gradually — and later than you might think, researchers say. Many 7-year-olds have robust memories of experiences from when they were 3 or even younger.
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Even people with good memories can have a hard time remembering the past accurately. That may be because the brain is constantly editing memories, updating them with current information. This may make good evolutionary sense. But it also means that some of your cherished memories may be wrong.
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A new study adds to the evidence that among everyday coffee drinkers, the old wives' tale that coffee will lead to dehydration is really just that: a tale. Another study found that caffeine may help to consolidate memories in the short term, but may not help retrieve old memories.
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President Obama has launched basic research to help scientists peer deep into the individual nerve circuits in the brain. There's also a more practical effort to restore the memories of injured soldiers by outfitting them with specialized brain implants.