Drinking coffee 'reduces likelihood of Alzheimer's and Parkinson's'

Кофе снижает вероятность старческого слабоумия

The authors argue that they might have stumbled on the mechanism and compounds related to coffee's fantastic health benefits for the mind. But you have to make sure you drink a dark roast because a new study has found that darker roasts work better as a preventative of the debilitating disease. Caffeine decreases your insulin sensitivity and impairs glucose tolerance, therefore, reduces your risk of type-2 diabetes.

Good news for coffee addicts - your beverage of choice may be protecting you from Alzheimer's and Parkinson's diseases.

Dr. Weaver and his team began by testing the effects different blends of coffee - dark roast, light roast, and decaffeinated dark roast - have on the brain.

In Canada, scientists from the Research Institute of Brambila came to the conclusion that coffee can affect the risk of development of Alzheimer's and Parkinson's depending on the roasting of his beans.

"But we wanted to investigate why that is - which compounds are involved and how they may impact age-related cognitive decline", said Weaver.

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To the researchers' surprise, the caffeinated and decaffeinated dark roasts were as effective in stopping the proteins from clumping, indicating the protective factors may have more to do with the level of roast rather than the caffeine content. "So we observed early on that its protective effect could not be due to caffeine", said first author Dr. Ross Mancini, also of the Krembil Brain Institute.

Dr Mancini added: 'It's the first time anybody's investigated how phenylindanes interact with the proteins that are responsible for Alzheimer's and Parkinson's. They, according to the researchers, can prevent dementia because inhibit the proteins beta-amyloid and Tau proteins.

"So phenylindanes are a dual inhibitor". Now researchers have to figure out how easily these antioxidants from a well-roasted coffee beans is able to enter the bloodstream and cross the blood-brain barrier to enter the brain and deactivate it threaten the human protein accumulation. "Very interesting, we were not expecting that", said Dr. Weaver.

"What this study does is take the epidemiological evidence and try to refine it and to demonstrate that there are indeed components within coffee that are beneficial to warding off cognitive decline". It's interesting but are we suggesting that coffee is a cure?

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