Then he set up a group of mice that were allowed to eat only 95% of that amount.

ECONOMIST: Longevity

Dr Baker genetically engineered a group of mice that were already quite unusual.

ECONOMIST: A way to counteract part of the process of growing old

They charted changes in the genetic activity in two groups of ageing mice, one group on a standard diet and the other whose diets have been cut to 76% of the standard diet.

BBC: 'Eating less may prevent Alzheimer's'

After Novartis sorted through 2, 000 proteins in the genomic database, it found five proteins that, when injected into laboratory mice, generated antibodies against at least 66 of 85 group B strains, according to a 2006 study.

FORBES: Booster Shot

Minute quantities of abnormal a-syn from older diseased mice exhibiting neurological symptoms were injected into one mouse group.

WSJ: Exercise Benefits vs. Joint Concerns