Can Animals Experience Depression?

Nick Saltmarsh, via Flickr. Distributed under a CC BY 2.0 license.

In a new paper, animal welfare researchers reviewed the scientific literature to ask if animals can develop diagnosable clinical depression. They found worrying evidence in chronically stressed laboratory rats and animals living in sub-optimal conditions, such as intensively kept pigs, but a diagnosis of depression in another species is still elusive.

Read the whole story at my Animal Minds blog: Can Animals Experience Depression?