What is usually thought to be a funny quirk in some dogs — chasing their own tail — is now being thought to have a more serious link.

Researchers are discovering that tail chasing might be a sign of high cholesterol, which adds one more symptom to a list of behavioral issues that they already feel can be attributed to high cholesterol in humans, such as panic attacks and OCD.
They tested 30 dogs — 15 who chased their tails and 15 who didn’t — to come up with their data. The tail chasers had higher HDL and LDL cholesterol numbers. …read more