Question

It seems that many nutrition experiments [directed at humandiet] are carried on laboratory mice. Is there any justificationthat nutrition that is good or bad for laboratory mice will also besame way applicable to humans ?

I wonder because mice and humans, although both being mammals,are separated probably by tens millions years of separateevolution. By the "mammals" logic, dolphins, cows, wolves, andgoats, all being mammals, shall have same diet as mice ?

Sometimes one man's food is another man's poison (lactosedifferences for example, due to genetic differences). That's man toman, same species. On what is "transfer of nutritional information"from species to species based ?