[AnotherUnixGeek]

But he added: 'One obstacle is that the mice may not be a good model of Alzheimer's disease. We have so many things that work in mice and we try them in humans and they just completely fail.'

Then why expend precious research funds using mice as the test subjects? It's undoubtedly easier for scientists to induce Alzheimer's in a mouse than in a primate, but initial findings in primate subjects would have much greater applicability to human beings.

[count-your-change]

Mice are way cheaper than primates. They can be bred so a great number are genetically identical. Mice age much faster than primates.