Medicine A 45-year-old man presents with history of frequent falls. He has difficulty in looking down also. What is the most probable diagnosis : A Normal pressure hydrocephalus B Parkinson's disease C Alzheimer's disease D Progressive supranuclear palsy 💡 Explanation A 45-year-old man presents with history of frequent falls. He has difficulty in looking down also. What is the most probable diagnosis : ✓ Correct Answer: D. Progressive supranuclear palsy