Scientists
can also glimpse the awful effects of Alzheimer's disease when they look at
brain tissue beneath the microscope:
Alzheimer's tissue has numerous fewer nerve
cells and synapses than a well brain.
Plaques, unusual
clusters of protein particle, which are construct up between nerve cells.
Dead and dying nerve cells contain tangles, which
are produce of twisted strands of a further protein.
Scientists
are not absolutely sure what causes cell death and tissue deficiency in the
Alzheimer's brain, but plaques and tangles are key suspects.
