2 ms·
In a laboratory, rats don't have to work for food -- if the experiment is designed correctly. Hopefully, the only variable was fast food vs. "normal" rat food.
by allears 6y ago
In a laboratory, rats don't have to work for food -- if the experiment is designed correctly. Hopefully, the only variable was fast food vs. "normal" rat food.
- rriepe 6y agoRat food or slow food? If rats get dumber from eating any human food then this study hasn't said anything.