According to a report, Sydney Memory and Ageing Study in the latest finding revealed older people who developed the disease experienced a greater decline in brain performance than those without the condition.
The two-year research which followed 880 people aged between 70 and 90 also found maintaining stable blood sugars reduces the risk. Study leader  Katherine Samaras said it was a breakthrough.
"It's not necessarily related to a duration effect of diabetes," Samaras said.
"Even if you've reached your mid 70s or early 80s and you haven't got diabetes, if you're pre-diabetec, you probably should be doing everything to prevent getting diabetes because we think that may actually halt that cognitive decline that we are seeing," she said.


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