: Ensuring freedom from hunger, discomfort, pain, fear, and the freedom to express normal behavior.

One of the most impactful applications of behavioral science in veterinary medicine is the widespread adoption of low-stress handling techniques, often conceptualized under frameworks like "Fear Free" or "Low Stress Handling™."

Behavioral issues are the leading cause of "relinquishment"—the surrender of pets to shelters. When a veterinarian can address separation anxiety, compulsive behaviors, or inter-pet aggression through a combination of behavioral modification and pharmacology, they aren’t just treating a symptom; they are saving a life by preserving the bond between the owner and the animal. 3. Pharmacology and the "Brain-Body" Connection