Neutering dogs is still often seen as a quick fix for unwanted behavior, health care, or animal welfare. But recent studies show: Sex hormones control much more than just reproduction–they influence ...

Why do lifespans vary across different species? A female elephant can live up to 80 years, but usually only has a few calves during her lifetime. A mouse, on the other hand, lives for a few years at ...

TROMSOE, Norway (Reuters) - Indigenous Sami peoples in the Arctic may have found a way to help their reindeer herds cope with climate change: more castration. Research by Sami experts shows that ...

New data, which is bound to fuel the controversy over the benefits versus the health costs of spaying and neutering dogs, has just come out of the Center for Exceptional Longevity Studies at the ...