If you can establish no obvious external reason for this, then it's time to take a trip to the vet. (felinefriendlycare.com)
If someone is getting paid to support this premise, this would be a clear external reason why that individual would be biased toward believing in its validity. (judithcurry.com)
There are all kinds of external reasons for this — demanding careers, endless sitting, fast food, stress, trauma, injuries, unrealistic goals, confusing body - image messages, and more. (mindbodygreen.com)