Behavioral research has disproven this. We now know that stress and fear trigger the release of cortisol. Chronically elevated cortisol suppresses the immune system, slows wound healing, and can even cause false elevations in blood glucose and liver enzymes. In other words, a stressful vet visit can literally skew lab results.
For the veterinary professional, the mandate is equally clear: The physical exam is incomplete without a behavioral history. Asking "How does he act when you touch his back?" is just as vital as asking "What is his temperature?" zooskoolcom best