extended families comprising over a 1000 people who are carrying the genetic mutation that leads to out simers a distressing find but a unique opportunity for the 1st time the doctors can work with healthy people who they know are likely to develop alzheimer's nowhere else in the world is there such a concentration of cases perfect conditions for studying the disease and maybe even finding a way of preventing it well. we might be successful or we might fail either way both outcomes would be very interesting from a scientific point of view. if we are but if we succeeded with that we could be on the road to finding an answer to alzheimer's. scientists believe the protein deposits build up between nerve cells in the brain eventually causing the cells to die they want to know whether these deposits can be impeded or even cleared. they are microscopic but the damage they cause is all too visible here we have a healthy brain and it is easy to brain. so. you can see the difference quite clearly the disease brain weighs 600 grams the healthy one weighs about twice that you can see at a glance what has

heads the power flex institute of brain research in leipsic he spent the last 40 years studying out simers disease. this host. craig you might have a certain genetic disposition which makes it more likely that you'll develop alzheimer's. but it seems that even then the onus only develops if on top of this predisposition other factors come into play such as environmental influences and possibly stress. if there's a rise a bit in this place for. as the human brain develops certain areas became particularly pronounced this led to new abilities that are unique to human beings. language is one of them. another is our self-awareness our sense of our own existence. and our ability to process memory is it's precisely these abilities that are affected by alzheimer's memory is the 1st to go followed by language then the individual self-awareness changes and in the end is lost completely. numerous possible explanations for. this phenomenon have been proposed it's often seemed that a potential treatment was within reach but to this day there's been no decisive breakthrough. as those. one of the reason