AR Philosophy > Morality of AR > Speciesism - Index
Longer Days Bring "Winter Blues" for Rats, Not Humans

Science Daily, April 25, 2013

Most of us are familiar with the "winter blues," the depression-like symptoms known as "seasonal affective disorder," or SAD, that occurs when the shorter days of winter limit our exposure to natural light and make us more lethargic, irritable and anxious. But for rats it's just the opposite.

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