John J. Bonica, perhaps the foremost authority on pain, said: “From the dollars and cents point of view, and from the point of view of human misery, chronic pain is more important than virtually all other health - ​ care problems put together. ”
बॉनिका ने कहा: “आर्थिक दृष्टिकोण और मानवीय दुर्दशा के दृष्टिकोण से, जीर्ण दर्द प्रतीयमानतः बाक़ी सभी स्वास्थ्य - संबंधी समस्याओं से ज़्यादा महत्त्वपूर्ण है । ”