India has a low incidence and prevalence of Alzheimer’s, which may be related to genetics or a particular intake of specific foods. Some people attribute the low incidence of Alzheimer’s to a high intake of turmeric in Asia.
As turmeric contains an average of 5-10% curcumin, the daily intake of curcumin is approximated in India is thought to be about 125 mg. Importantly in cooking curries, curcumin is often dissolved and extracted into fat, eg. ghee, which may increase its bioavailability.