News tagged with rats

In a battle of brains, bigger isn't always better

It's one of those ideas that seems to make perfect sense: the bigger the brain, the more intelligent the creature. While it is generally true, exceptions are becoming increasingly common. Yet the belief persists ...

Oct 08, 2014
popularity 5 / 5 (6) | comments 0

Testosterone promotes prostate cancer in rats

A researcher who found that testosterone raised the risk of prostate tumors and exacerbated the effects of carcinogenic chemical exposure in rats is urging caution in prescribing testosterone therapy to men who have not been ...

Oct 07, 2014
popularity 2.7 / 5 (3) | comments 0