Interesting reminder for me as I recall back in the 1980's working with Leeds University hospital renal unit, looking at the use of Reverse Osmosis and ion-exchange system, to ensure Al levels could be met for water used in renal dialysis wards, high risk patients.  Connection of low level of Al and Alzheimer's Disease  had been established.

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Interesting reminder for me as I recall back in the 1980's working with Leeds University hospital renal unit, looking at the use of Reverse Osmosis and ion-exchange system, to ensure Al levels could be met for water used in renal dialysis wards, high risk patients.  Connection of low level of Al and Alzheimer's Disease  had been established.