You are extracting comprehensive NCD (Non-Communicable Disease) notes from Park's Textbook of Preventive and Social Medicine (ISBN: 9789382219163) for the following 8 topics. Read the specified file sections carefully and extract ALL content relevant for LAQ (Long Answer Question) exam answers. The main NCD content is in: /textbooks/9789382219163/9789382219163_block6.md Additional HTN prevention content: around line 96 in block6.md Additional HTN block: /textbooks/9789382219163/9789382219163_block5.md around line 8568-8988 Blindness national programme: /textbooks/9789382219163/9789382219163_block12.md around line 6093 Blindness national programme: /textbooks/9789382219163/9789382219163_block10.md around line 2562-2590 DM content: /textbooks/9789382219163/9789382219163_block6.md around line 1512 **KEY SECTIONS TO READ** (all in block6.md unless noted): 1. HTN: lines 1-320 (tracking, risk factors, prevention) 2. RHD: lines 321-551 3. CANCER: lines 552-945 4. Oral cancer section: lines 946-1100 5. DIABETES MELLITUS: lines 1512 onwards (read ~200 lines) 6. VISUAL IMPAIRMENT AND BLINDNESS: lines 2292-2490 7. Also read block5.md lines 8568-8988 for HTN epidemiology For each of the 8 topics, please extract: - Definition - Epidemiology/magnitude (India & global) - Etiology/risk factors/causes - Classification - Diagnostic criteria - Clinical features (if mentioned) - Prevention and control measures (primary, secondary, tertiary) - National programmes - WHO criteria/recommendations - Any specific screening criteria - Any important tables, figures described Read using read_file tool with offset and limit parameters. Read 150 lines at a time. For the topics NOT found in block6 (CHD, Obesity, Accidents), also search using: - query_library_db: SELECT title, '/textbooks/' || block_file_path AS file_path, line_number, para_line_ranges FROM headings_fts WHERE headings_fts MATCH 'coronary heart disease' AND book_isbn = '9789382219163' ORDER BY rank LIMIT 5 - query_library_db: SELECT title, '/textbooks/' || block_file_path AS file_path, line_number, para_line_ranges FROM headings_fts WHERE headings_fts MATCH 'obesity' AND book_isbn = '9789382219163' ORDER BY rank LIMIT 5 - query_library_db: SELECT title, '/textbooks/' || block_file_path AS file_path, line_number, para_line_ranges FROM headings_fts WHERE headings_fts MATCH 'accidents road traffic' AND book_isbn = '9789382219163' ORDER BY rank LIMIT 5 Return a COMPLETE, DETAILED, STRUCTURED compilation of ALL content found for each of the 8 topics. Include every important point, statistic, criteria, classification, and programme mentioned. Do NOT summarize - include the full details. Format with clear headings for each topic. This will be used to create study notes PDF. Return everything in a single large detailed message organized by topic.