Some antacids have been linked to a higher risk of dementia.
In a new study from Indiana university ... Elderly African-Americans who regularly took H-2 blockers to reduce their acid reflux had 2 1/2 times the risk of developing dementia.
Tagamet, Pepcid and Zantac are examples of H-2 blockers, and they work by preventing stomach acid from being produced.
But researchers, say the drugs also appear to affect areas of the brain involved in memory.
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