Alzheimer’s disease may come in distinct forms
Mouse experiments, if confirmed in people, imply that treatment should be personalized
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/06/ls_a-beta.jpg?fit=860%2C460&ssl=1)
DISEASE DIFFERENCES Clumps of A-beta (brown) take on distinct shapes in the brains of mice injected with brain samples from people whose Alzheimer’s disease was caused by different mutations, called Arctic and Swedish, and by a sporadic form.
J.C. Watts ET AL/PNAS 2014