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Some drugs are routinely prescribed for dementia that sets in either due to normal ageing or due to neurodegenerative disorders. We have studied the effect of three of these drugs, Donepezil hydrochloride, Rivastigmine tartrate and Nootropyl, on the activity of DNA polymerases β, a crucial enzyme in the base excision repair pathway, the most important mode of DNA repair in brain. All the three drugs...