Since some countries categorize illnesses differently, the true number may be much higher. ▪ An estimated 500 million people are affected by some type of mental problem.
चूँकि कुछ देश बीमारियों को अलग - अलग तरीक़े से वर्गीकृत करते हैं, असल संख्या शायद और ज़्यादा हो ।