hypertension prevalence India epidemiology

hypertension statistics India 2024 prevalence facts figures prevention

hypertension India awareness treatment control

PMID: 38379011

PMID: 39367179

ls -la /home/daytona/workspace/ 2>/dev/null || echo "workspace empty or not foun…

mkdir -p /home/daytona/workspace/dash-diet-india && echo "Directory created"

~/dash-diet-india/create_pdf.py

from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import cm, mm
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    HRFlowable, KeepTogether
)
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus import PageBreak

OUTPUT = "/home/daytona/workspace/dash-diet-india/DASH_Diet_Indian_Cuisine.pdf"

# --- Colour palette ---
SAFFRON   = colors.HexColor("#E8630A")   # Indian saffron
GREEN     = colors.HexColor("#138808")   # India-flag green
NAVY      = colors.HexColor("#1A3C6B")   # Deep navy
TEAL      = colors.HexColor("#0B7A75")   # Teal accent
LIGHT_BG  = colors.HexColor("#FFF8F0")   # Warm cream
LIGHT_GREEN = colors.HexColor("#E8F5E9")
LIGHT_ORANGE = colors.HexColor("#FFF3E0")
LIGHT_TEAL = colors.HexColor("#E0F4F3")
LIGHT_NAVY = colors.HexColor("#EEF2F8")
WHITE     = colors.white
DARK_TEXT = colors.HexColor("#222222")
MID_TEXT  = colors.HexColor("#444444")

doc = SimpleDocTemplate(
    OUTPUT,
    pagesize=A4,
    rightMargin=2*cm, leftMargin=2*cm,
    topMargin=2*cm, bottomMargin=2*cm
)

W, H = A4
CONTENT_W = W - 4*cm

styles = getSampleStyleSheet()

def style(name, **kwargs):
    return ParagraphStyle(name, **kwargs)

title_style = style("Title",
    fontSize=26, leading=32, textColor=WHITE,
    fontName="Helvetica-Bold", alignment=TA_CENTER, spaceAfter=4)

subtitle_style = style("Subtitle",
    fontSize=13, leading=18, textColor=colors.HexColor("#FFE0B2"),
    fontName="Helvetica", alignment=TA_CENTER, spaceAfter=2)

section_header = style("SectionH",
    fontSize=14, leading=18, textColor=WHITE,
    fontName="Helvetica-Bold", alignment=TA_LEFT,
    spaceBefore=6, spaceAfter=4)

body = style("Body",
    fontSize=9.5, leading=14, textColor=DARK_TEXT,
    fontName="Helvetica", alignment=TA_JUSTIFY,
    spaceBefore=2, spaceAfter=2)

body_bold = style("BodyBold",
    fontSize=9.5, leading=14, textColor=DARK_TEXT,
    fontName="Helvetica-Bold", alignment=TA_LEFT,
    spaceBefore=2, spaceAfter=2)

bullet = style("Bullet",
    fontSize=9.5, leading=14, textColor=DARK_TEXT,
    fontName="Helvetica", leftIndent=14, bulletIndent=4,
    spaceBefore=1, spaceAfter=1)

small_caption = style("SmallCap",
    fontSize=8, leading=11, textColor=MID_TEXT,
    fontName="Helvetica-Oblique", alignment=TA_CENTER)

table_header_style = style("TH",
    fontSize=9, leading=12, textColor=WHITE,
    fontName="Helvetica-Bold", alignment=TA_CENTER)

table_cell_style = style("TC",
    fontSize=8.5, leading=12, textColor=DARK_TEXT,
    fontName="Helvetica", alignment=TA_LEFT)

table_cell_center = style("TCC",
    fontSize=8.5, leading=12, textColor=DARK_TEXT,
    fontName="Helvetica", alignment=TA_CENTER)

highlight_style = style("Highlight",
    fontSize=10, leading=14, textColor=NAVY,
    fontName="Helvetica-Bold", alignment=TA_CENTER,
    spaceBefore=3, spaceAfter=3)

# ===================== HELPER FUNCTIONS =====================

def section_box(title, bg_color=NAVY):
    """Returns a coloured section header table."""
    return Table(
        [[Paragraph(title, section_header)]],
        colWidths=[CONTENT_W],
        style=TableStyle([
            ("BACKGROUND", (0,0), (-1,-1), bg_color),
            ("ROUNDEDCORNERS", (0,0), (-1,-1), [6,6,6,6]),
            ("TOPPADDING", (0,0), (-1,-1), 8),
            ("BOTTOMPADDING", (0,0), (-1,-1), 8),
            ("LEFTPADDING", (0,0), (-1,-1), 12),
            ("RIGHTPADDING", (0,0), (-1,-1), 12),
        ])
    )

def info_box(text, bg=LIGHT_BG, text_color=NAVY, bold=False):
    st = style("IB",
        fontSize=9.5, leading=14, textColor=text_color,
        fontName="Helvetica-Bold" if bold else "Helvetica",
        alignment=TA_JUSTIFY)
    return Table(
        [[Paragraph(text, st)]],
        colWidths=[CONTENT_W],
        style=TableStyle([
            ("BACKGROUND", (0,0), (-1,-1), bg),
            ("TOPPADDING", (0,0), (-1,-1), 8),
            ("BOTTOMPADDING", (0,0), (-1,-1), 8),
            ("LEFTPADDING", (0,0), (-1,-1), 12),
            ("RIGHTPADDING", (0,0), (-1,-1), 12),
            ("BOX", (0,0), (-1,-1), 1, colors.HexColor("#CCCCCC")),
        ])
    )

def bullet_item(text, emoji="•"):
    return Paragraph(f"{emoji}  {text}", bullet)

# ===================== CONTENT =====================

story = []

# ── COVER BANNER ──────────────────────────────────────────────────────────────
cover_data = [[
    Paragraph("DASH Diet", title_style),
    Paragraph("Adapted for Indian Cuisine", subtitle_style),
    Paragraph("A Practical Guide to Lowering Blood Pressure Through Everyday Indian Foods", subtitle_style),
]]
cover_table = Table(
    [[Paragraph("DASH Diet", title_style)],
     [Paragraph("Adapted for Indian Cuisine", subtitle_style)],
     [Paragraph("A Practical Guide to Lowering Blood Pressure\nThrough Everyday Indian Foods", subtitle_style)]],
    colWidths=[CONTENT_W],
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,-1), SAFFRON),
        ("TOPPADDING", (0,0), (-1,-1), 18),
        ("BOTTOMPADDING", (0,0), (-1,-1), 12),
        ("LEFTPADDING", (0,0), (-1,-1), 20),
        ("RIGHTPADDING", (0,0), (-1,-1), 20),
        ("ROUNDEDCORNERS", (0,0), (-1,-1), [10,10,10,10]),
    ])
)
story.append(cover_table)
story.append(Spacer(1, 0.4*cm))

# Tagline strip
tag_table = Table(
    [[Paragraph("Evidence-based nutrition  |  India-specific food choices  |  Hypertension management", small_caption)]],
    colWidths=[CONTENT_W],
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,-1), GREEN),
        ("TOPPADDING", (0,0), (-1,-1), 5),
        ("BOTTOMPADDING", (0,0), (-1,-1), 5),
    ])
)
story.append(tag_table)
story.append(Spacer(1, 0.35*cm))

# ── WHAT IS DASH? ──────────────────────────────────────────────────────────────
story.append(section_box("🥗  What Is the DASH Diet?", NAVY))
story.append(Spacer(1, 0.2*cm))
story.append(info_box(
    "<b>DASH (Dietary Approaches to Stop Hypertension)</b> is a clinically proven eating pattern "
    "developed specifically to lower blood pressure. In the landmark DASH-Sodium trial, combining "
    "the DASH plan with reduced sodium intake lowered systolic BP by up to <b>20.8 mmHg</b> in "
    "people with SBP ≥ 150 mmHg — comparable to a single antihypertensive drug. It is recommended "
    "as first-line therapy for hypertension by major global guidelines.",
    bg=LIGHT_NAVY
))
story.append(Spacer(1, 0.25*cm))

# Two-column key facts
kf_data = [
    [Paragraph("SBP reduction\n(DASH alone)", highlight_style),
     Paragraph("SBP reduction\n(DASH + low sodium)", highlight_style),
     Paragraph("BP benefit\nwithout weight loss?", highlight_style),
     Paragraph("Recommended by", highlight_style)],
    [Paragraph("−11 mmHg\n(feeding studies)", table_cell_center),
     Paragraph("−7/4 mmHg\n(7 systolic, 4 diastolic)", table_cell_center),
     Paragraph("Yes ✓\n(proven)", table_cell_center),
     Paragraph("ACC/AHA, WHO,\nISH India 2024", table_cell_center)],
]
kf_table = Table(kf_data, colWidths=[CONTENT_W/4]*4,
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,0), TEAL),
        ("BACKGROUND", (0,1), (-1,1), LIGHT_TEAL),
        ("ALIGN", (0,0), (-1,-1), "CENTER"),
        ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
        ("TOPPADDING", (0,0), (-1,-1), 7),
        ("BOTTOMPADDING", (0,0), (-1,-1), 7),
        ("BOX", (0,0), (-1,-1), 1, TEAL),
        ("INNERGRID", (0,0), (-1,-1), 0.5, colors.HexColor("#AAAAAA")),
    ])
)
story.append(kf_table)
story.append(Spacer(1, 0.35*cm))

# ── CORE PRINCIPLES ──────────────────────────────────────────────────────────
story.append(section_box("📋  Core Principles of DASH", TEAL))
story.append(Spacer(1, 0.2*cm))

principles = [
    ("🥬", "High in fruits & vegetables", "Rich source of potassium, magnesium, and fibre — all BP-lowering nutrients."),
    ("🥛", "Low-fat dairy", "Provides calcium; low-fat options keep saturated fat in check."),
    ("🌾", "Whole grains", "Brown rice, oats, whole wheat — high fibre, low glycaemic load."),
    ("🥜", "Nuts, seeds & legumes", "Dal, rajma, chana — protein + potassium + magnesium, no cholesterol."),
    ("🐟", "Lean protein", "Fish, skinless poultry, pulses preferred over red/processed meat."),
    ("🧂", "Low sodium (<1500 mg/day)", "Reducing salt is the single most impactful dietary change for BP."),
    ("🍬", "Limit sweets & sugary drinks", "Minimise refined carbohydrates, sugared chai, packaged juices."),
    ("🧈", "Limit saturated & trans fats", "Reduce ghee, butter, vanaspati; use mustard or olive oil in moderation."),
]

for emoji, title_txt, desc in principles:
    row = Table(
        [[Paragraph(f"{emoji}  <b>{title_txt}</b>", body_bold),
          Paragraph(desc, body)]],
        colWidths=[5.5*cm, CONTENT_W - 5.5*cm],
        style=TableStyle([
            ("VALIGN", (0,0), (-1,-1), "TOP"),
            ("TOPPADDING", (0,0), (-1,-1), 4),
            ("BOTTOMPADDING", (0,0), (-1,-1), 4),
            ("LEFTPADDING", (0,0), (-1,-1), 6),
        ])
    )
    story.append(row)

story.append(Spacer(1, 0.3*cm))

# ── SODIUM GUIDANCE ──────────────────────────────────────────────────────────
story.append(section_box("🧂  Sodium — The Critical Number", SAFFRON))
story.append(Spacer(1, 0.2*cm))

sodium_data = [
    [Paragraph("Target", table_header_style), Paragraph("Daily Limit", table_header_style),
     Paragraph("SBP Reduction", table_header_style)],
    [Paragraph("Optimal", table_cell_center), Paragraph("< 1,500 mg/day\n(~¾ tsp salt)", table_cell_center),
     Paragraph("−5/6 mmHg", table_cell_center)],
    [Paragraph("Minimum goal", table_cell_center), Paragraph("Reduce by ≥1,000 mg/day", table_cell_center),
     Paragraph("−2/3 mmHg", table_cell_center)],
    [Paragraph("WHO recommendation", table_cell_center), Paragraph("< 2,000 mg/day (5 g salt)", table_cell_center),
     Paragraph("Significant benefit", table_cell_center)],
]
sodium_table = Table(sodium_data, colWidths=[CONTENT_W/3]*3,
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,0), SAFFRON),
        ("BACKGROUND", (0,1), (-1,1), LIGHT_ORANGE),
        ("BACKGROUND", (0,2), (-1,2), WHITE),
        ("BACKGROUND", (0,3), (-1,3), LIGHT_ORANGE),
        ("ALIGN", (0,0), (-1,-1), "CENTER"),
        ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
        ("TOPPADDING", (0,0), (-1,-1), 6),
        ("BOTTOMPADDING", (0,0), (-1,-1), 6),
        ("BOX", (0,0), (-1,-1), 1, SAFFRON),
        ("INNERGRID", (0,0), (-1,-1), 0.5, colors.HexColor("#CCCCCC")),
    ])
)
story.append(sodium_table)
story.append(Spacer(1, 0.15*cm))

story.append(info_box(
    "<b>High-sodium Indian foods to watch:</b> Pickles (achar), papad, namkeen, chips, "
    "packaged masala, ready-to-eat meals, extra salt during cooking, salty chutneys, "
    "commercial sauces & ketchup.",
    bg=colors.HexColor("#FFF3E0"), text_color=colors.HexColor("#8B1A00")
))
story.append(Spacer(1, 0.3*cm))

# ── INDIAN FOOD SUBSTITUTIONS ─────────────────────────────────────────────────
story.append(section_box("🇮🇳  DASH-Friendly Indian Food Choices", GREEN))
story.append(Spacer(1, 0.2*cm))

food_headers = [
    Paragraph("DASH Category", table_header_style),
    Paragraph("Traditional Indian Foods ✓", table_header_style),
    Paragraph("What to Limit ✗", table_header_style),
    Paragraph("Potassium/BP Benefit", table_header_style),
]

food_rows = [
    food_headers,
    [Paragraph("Vegetables\n(5–9 servings/day)", table_cell_style),
     Paragraph("Palak, methi, lauki, tinda, turai, bhindi, torai, karela, brinjal, capsicum, drumstick, cabbage, cauliflower", table_cell_style),
     Paragraph("Deep-fried sabzi, chips, potato bhajia", table_cell_style),
     Paragraph("High K⁺, Mg²⁺, fibre; −4/5 mmHg SBP", table_cell_style)],
    [Paragraph("Fruits\n(4–5 servings/day)", table_cell_style),
     Paragraph("Banana, amla, guava, papaya, chiku, pomegranate, sitaphal, watermelon, mango (moderate)", table_cell_style),
     Paragraph("Sugary fruit juices, canned fruits in syrup", table_cell_style),
     Paragraph("Banana = 422 mg K⁺; amla = Vit C + antioxidants", table_cell_style)],
    [Paragraph("Whole Grains\n(6–8 servings/day)", table_cell_style),
     Paragraph("Brown rice, whole wheat chapati/roti, jowar/bajra/ragi rotla, oats daliya, poha (whole grain)", table_cell_style),
     Paragraph("Maida (white flour), biscuits, white bread, puri, bhatura", table_cell_style),
     Paragraph("Lowers glycaemic load; supports weight control", table_cell_style)],
    [Paragraph("Legumes & Dals\n(4–5/week)", table_cell_style),
     Paragraph("Moong dal, toor dal, chana, rajma, masoor, lobiya, moth, urad (moderate), sprouts", table_cell_style),
     Paragraph("Heavily salted or fried dal preparations", table_cell_style),
     Paragraph("~400–600 mg K⁺/cup; plant protein; no cholesterol", table_cell_style)],
    [Paragraph("Low-Fat Dairy\n(2–3 servings/day)", table_cell_style),
     Paragraph("Skimmed milk, low-fat dahi (curd), chaas (buttermilk without salt), paneer (from skim milk)", table_cell_style),
     Paragraph("Full-fat paneer, malai, cream, khoa-based sweets", table_cell_style),
     Paragraph("Calcium lowers BP; avoid adding salt to chaas", table_cell_style)],
    [Paragraph("Lean Protein\n(2 or fewer/day)", table_cell_style),
     Paragraph("Fish (rohu, katla, pomfret), egg whites, skinless chicken, tofu", table_cell_style),
     Paragraph("Red meat, mutton, organ meats, processed meats (sausage, salami)", table_cell_style),
     Paragraph("Fish omega-3 reduces CVD risk independently", table_cell_style)],
    [Paragraph("Nuts & Seeds\n(4–5/week)", table_cell_style),
     Paragraph("Almonds, walnuts, flaxseeds (alsi), sunflower seeds, pumpkin seeds, til (sesame)", table_cell_style),
     Paragraph("Salted cashews, fried peanuts, commercial namkeen", table_cell_style),
     Paragraph("Mg²⁺ + K⁺ + healthy fats; unsalted preferred", table_cell_style)],
    [Paragraph("Cooking Fats\n(2–3 tsp/day max)", table_cell_style),
     Paragraph("Mustard oil, cold-pressed groundnut oil, rice bran oil (in moderation)", table_cell_style),
     Paragraph("Ghee in excess, vanaspati (partially hydrogenated), coconut oil in large amounts", table_cell_style),
     Paragraph("Reduce saturated fat → lower CVD risk", table_cell_style)],
]

col_widths = [3.2*cm, 5.0*cm, 4.0*cm, 4.5*cm]
food_table = Table(food_rows, colWidths=col_widths,
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,0), GREEN),
        ("ROWBACKGROUNDS", (0,1), (-1,-1), [LIGHT_GREEN, WHITE]),
        ("ALIGN", (0,0), (-1,-1), "LEFT"),
        ("VALIGN", (0,0), (-1,-1), "TOP"),
        ("TOPPADDING", (0,0), (-1,-1), 5),
        ("BOTTOMPADDING", (0,0), (-1,-1), 5),
        ("LEFTPADDING", (0,0), (-1,-1), 5),
        ("RIGHTPADDING", (0,0), (-1,-1), 5),
        ("BOX", (0,0), (-1,-1), 1, GREEN),
        ("INNERGRID", (0,0), (-1,-1), 0.4, colors.HexColor("#CCCCCC")),
        ("FONTNAME", (0,0), (-1,0), "Helvetica-Bold"),
    ])
)
story.append(food_table)
story.append(Spacer(1, 0.35*cm))

# ── SAMPLE MEAL PLAN ──────────────────────────────────────────────────────────
story.append(section_box("🍽️  Sample 1-Day Indian DASH Meal Plan", NAVY))
story.append(Spacer(1, 0.2*cm))

meal_data = [
    [Paragraph("Meal", table_header_style), Paragraph("What to Eat", table_header_style),
     Paragraph("DASH Elements", table_header_style)],
    [Paragraph("🌅 Early Morning", table_cell_style),
     Paragraph("1 glass warm water + 4–5 soaked almonds or walnuts", table_cell_style),
     Paragraph("Nuts serving, hydration", table_cell_style)],
    [Paragraph("☀️ Breakfast", table_cell_style),
     Paragraph("1 cup oats daliya / poha with vegetables OR 2 bajra/jowar rotis with low-fat dahi; 1 fruit (banana or guava); 1 cup skimmed milk or unsweetened green tea", table_cell_style),
     Paragraph("Whole grain, dairy, fruit, no added salt", table_cell_style)],
    [Paragraph("🕙 Mid-Morning", table_cell_style),
     Paragraph("Seasonal fruit (papaya, pomegranate) OR a handful of unsalted peanuts/til chikki (jaggery-based, no salt)", table_cell_style),
     Paragraph("Fruit + nuts serving", table_cell_style)],
    [Paragraph("🌞 Lunch", table_cell_style),
     Paragraph("2 whole wheat rotis + 1 cup moong/toor dal (lightly salted) + 1 cup sabzi (palak/bhindi/lauki) + 1 cup low-fat dahi/chaas (no salt) + salad (cucumber, tomato, carrot)", table_cell_style),
     Paragraph("Legumes, vegetables, whole grain, dairy, low sodium", table_cell_style)],
    [Paragraph("🌤️ Evening Snack", table_cell_style),
     Paragraph("Sprout chaat (moong/chana sprouts, lemon, raw onion, tomato, minimal salt) OR roasted makhana; 1 cup unsweetened chaas", table_cell_style),
     Paragraph("Legumes, dairy, no frying", table_cell_style)],
    [Paragraph("🌙 Dinner", table_cell_style),
     Paragraph("1 cup brown rice OR 2 bajra rotis + 1 cup rajma/chana masala (low salt) + 1 cup stir-fried mixed vegetables (minimal oil) + small bowl salad; 1 cup warm skimmed milk before bed", table_cell_style),
     Paragraph("Whole grain, legumes, vegetables, dairy, potassium-rich", table_cell_style)],
]

meal_table = Table(meal_data, colWidths=[3.2*cm, 8.5*cm, 5.0*cm],
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,0), NAVY),
        ("ROWBACKGROUNDS", (0,1), (-1,-1), [LIGHT_NAVY, WHITE]),
        ("ALIGN", (0,0), (-1,-1), "LEFT"),
        ("VALIGN", (0,0), (-1,-1), "TOP"),
        ("TOPPADDING", (0,0), (-1,-1), 5),
        ("BOTTOMPADDING", (0,0), (-1,-1), 5),
        ("LEFTPADDING", (0,0), (-1,-1), 5),
        ("RIGHTPADDING", (0,0), (-1,-1), 5),
        ("BOX", (0,0), (-1,-1), 1, NAVY),
        ("INNERGRID", (0,0), (-1,-1), 0.4, colors.HexColor("#CCCCCC")),
    ])
)
story.append(meal_table)
story.append(Spacer(1, 0.35*cm))

# ── COOKING TIPS ──────────────────────────────────────────────────────────────
story.append(section_box("👨‍🍳  Indian DASH Cooking Tips", TEAL))
story.append(Spacer(1, 0.2*cm))

tips = [
    ("🫕", "Tempering (tadka)", "Use mustard oil or minimal ghee; add curry leaves, mustard seeds, jeera, hing for flavour without excess fat."),
    ("🧄", "Flavour without salt", "Use lime/lemon juice, amchur, imli, coriander leaves, pudina, jeera powder — they enhance taste without raising BP."),
    ("🫙", "Avoid pickles & papad", "Replace achar and papad with fresh salad, chutneys from fresh herbs (pudina chutney, low salt), or raita."),
    ("🔪", "Steam, boil, stir-fry", "Prefer steaming idli, boiling sabzi lightly, or pressure-cooking dal — avoid deep frying (pakora, puri, samosa)."),
    ("🍳", "Control cooking oil", "Use a measured teaspoon (not ladleful) of oil; spray-oil pans when possible. Total fat <27% of calories."),
    ("📦", "Read packaged food labels", "Check sodium per 100 g — anything >400 mg Na/100 g is high sodium. Avoid instant noodles, salty snacks, ready-mixes."),
    ("🫖", "Limit sugary beverages", "Replace sugary chai with green tea, tulsi tea, or unsweetened herbal drinks; avoid packaged juices."),
    ("🥣", "Fermented foods", "Idli, dosa, dhokla made without excess salt are excellent low-fat, probiotic options aligned with DASH."),
]

for emoji, tip_title, tip_desc in tips:
    row = Table(
        [[Paragraph(f"{emoji}  <b>{tip_title}</b>", body_bold),
          Paragraph(tip_desc, body)]],
        colWidths=[4.5*cm, CONTENT_W - 4.5*cm],
        style=TableStyle([
            ("VALIGN", (0,0), (-1,-1), "TOP"),
            ("TOPPADDING", (0,0), (-1,-1), 3),
            ("BOTTOMPADDING", (0,0), (-1,-1), 3),
        ])
    )
    story.append(row)

story.append(Spacer(1, 0.3*cm))

# ── POTASSIUM-RICH INDIAN FOODS ──────────────────────────────────────────────
story.append(section_box("💪  Potassium-Rich Indian Foods (BP-Lowering)", GREEN))
story.append(Spacer(1, 0.2*cm))

potassium_data = [
    [Paragraph("Food", table_header_style), Paragraph("Potassium (mg)", table_header_style),
     Paragraph("Food", table_header_style), Paragraph("Potassium (mg)", table_header_style)],
    [Paragraph("Banana (1 medium)", table_cell_style), Paragraph("422 mg", table_cell_center),
     Paragraph("Rajma / Kidney beans (1 cup)", table_cell_style), Paragraph("~607 mg", table_cell_center)],
    [Paragraph("Amla / Indian gooseberry", table_cell_style), Paragraph("~200 mg/100g", table_cell_center),
     Paragraph("Moong dal (cooked, 1 cup)", table_cell_style), Paragraph("~537 mg", table_cell_center)],
    [Paragraph("Palak / Spinach (1 cup)", table_cell_style), Paragraph("~840 mg", table_cell_center),
     Paragraph("Guava (1 medium)", table_cell_style), Paragraph("~417 mg", table_cell_center)],
    [Paragraph("Drumstick / Moringa leaves", table_cell_style), Paragraph("~337 mg/100g", table_cell_center),
     Paragraph("Pomegranate (1 cup seeds)", table_cell_style), Paragraph("~410 mg", table_cell_center)],
    [Paragraph("Potato (baked, with skin)", table_cell_style), Paragraph("~926 mg", table_cell_center),
     Paragraph("Coconut water (1 cup)", table_cell_style), Paragraph("~600 mg", table_cell_center)],
]

pot_table = Table(potassium_data, colWidths=[5*cm, 3.5*cm, 5*cm, 3.5*cm],
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,0), GREEN),
        ("ROWBACKGROUNDS", (0,1), (-1,-1), [LIGHT_GREEN, WHITE]),
        ("ALIGN", (0,0), (-1,-1), "LEFT"),
        ("ALIGN", (1,0), (1,-1), "CENTER"),
        ("ALIGN", (3,0), (3,-1), "CENTER"),
        ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
        ("TOPPADDING", (0,0), (-1,-1), 5),
        ("BOTTOMPADDING", (0,0), (-1,-1), 5),
        ("LEFTPADDING", (0,0), (-1,-1), 6),
        ("RIGHTPADDING", (0,0), (-1,-1), 6),
        ("BOX", (0,0), (-1,-1), 1, GREEN),
        ("INNERGRID", (0,0), (-1,-1), 0.4, colors.HexColor("#CCCCCC")),
    ])
)
story.append(pot_table)
story.append(Spacer(1, 0.15*cm))
story.append(info_box(
    "⚠️  <b>Caution:</b> Patients with Chronic Kidney Disease (CKD) or on ACE inhibitors/ARBs "
    "should consult their doctor before significantly increasing potassium intake.",
    bg=colors.HexColor("#FFF8E1"), text_color=colors.HexColor("#7B3F00")
))
story.append(Spacer(1, 0.3*cm))

# ── LIFESTYLE SYNERGY ──────────────────────────────────────────────────────────
story.append(section_box("🏃  Lifestyle Synergy: Maximising BP Reduction", SAFFRON))
story.append(Spacer(1, 0.2*cm))

synergy_data = [
    [Paragraph("Intervention", table_header_style),
     Paragraph("Expected SBP Drop\n(with Hypertension)", table_header_style),
     Paragraph("Expected SBP Drop\n(Normal BP)", table_header_style)],
    [Paragraph("DASH diet", table_cell_style), Paragraph("−11 mmHg (feeding)\n−4/5 mmHg (real-world)", table_cell_center), Paragraph("−2/3 mmHg", table_cell_center)],
    [Paragraph("Weight loss (per 1 kg)", table_cell_style), Paragraph("~−1 mmHg per kg", table_cell_center), Paragraph("−0.5 mmHg per kg", table_cell_center)],
    [Paragraph("Weight loss (5 kg)", table_cell_style), Paragraph("−5 mmHg", table_cell_center), Paragraph("−2/3 mmHg", table_cell_center)],
    [Paragraph("Dietary sodium reduction", table_cell_style), Paragraph("−5/6 mmHg", table_cell_center), Paragraph("−2/3 mmHg", table_cell_center)],
    [Paragraph("Increased potassium intake", table_cell_style), Paragraph("−4/5 mmHg", table_cell_center), Paragraph("−2 mmHg", table_cell_center)],
    [Paragraph("Regular aerobic exercise", table_cell_style), Paragraph("−4/5 mmHg", table_cell_center), Paragraph("−2/3 mmHg", table_cell_center)],
    [Paragraph("Limit alcohol consumption", table_cell_style), Paragraph("−4 mmHg", table_cell_center), Paragraph("−2 mmHg", table_cell_center)],
    [Paragraph("✅ Combination (all above)", table_cell_style),
     Paragraph("≥ −10 mmHg\n(clinically significant)", table_cell_center),
     Paragraph("Prevents progression to HTN", table_cell_center)],
]

syn_table = Table(synergy_data, colWidths=[5.5*cm, 5.5*cm, 5.5*cm],
    style=TableStyle([
        ("BACKGROUND", (0,0), (-1,0), SAFFRON),
        ("ROWBACKGROUNDS", (0,1), (-1,-2), [LIGHT_ORANGE, WHITE]),
        ("BACKGROUND", (0,-1), (-1,-1), colors.HexColor("#E8F5E9")),
        ("FONTNAME", (0,-1), (-1,-1), "Helvetica-Bold"),
        ("ALIGN", (0,0), (-1,-1), "CENTER"),
        ("ALIGN", (0,0), (0,-1), "LEFT"),
        ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
        ("TOPPADDING", (0,0), (-1,-1), 5),
        ("BOTTOMPADDING", (0,0), (-1,-1), 5),
        ("LEFTPADDING", (0,0), (-1,-1), 6),
        ("RIGHTPADDING", (0,0), (-1,-1), 6),
        ("BOX", (0,0), (-1,-1), 1, SAFFRON),
        ("INNERGRID", (0,0), (-1,-1), 0.4, colors.HexColor("#CCCCCC")),
    ])
)
story.append(syn_table)
story.append(Spacer(1, 0.35*cm))

# ── SPECIAL POPULATIONS ──────────────────────────────────────────────────────
story.append(section_box("👥  Special Considerations for India", NAVY))
story.append(Spacer(1, 0.2*cm))

sp_items = [
    ("Vegetarians & Vegans", "The standard DASH diet is easily adapted — India's plant-based tradition is naturally DASH-compatible. Focus on dal, rajma, chana, tofu, sprouts, and a variety of seasonal vegetables for protein and micronutrients."),
    ("Diabetics (very common in India)", "Prefer low-glycaemic whole grains (bajra, jowar, ragi over white rice). The DASH diet also improves insulin sensitivity, making it doubly beneficial."),
    ("Young adults & urban population", "Limit café beverages, packaged snacks, fast food, and restaurant salt. Young-onset hypertension is rising sharply in urban India."),
    ("Rural populations", "Traditional diets based on millet rotis, dal, and seasonal vegetables are inherently DASH-friendly — the main intervention is reducing pickle/papad/extra salt use."),
    ("Pregnant women & elderly", "Maintain adequate calcium (dairy, ragi, sesame), iron (palak, horse gram), and potassium. Consult a physician regarding sodium limits if on medications."),
    ("CKD patients", "Potassium and phosphorus restriction may be needed — individualise with a renal dietitian. Do NOT follow high-potassium DASH recommendations without medical guidance."),
]

for i, (title_txt, desc) in enumerate(sp_items):
    bg = LIGHT_NAVY if i % 2 == 0 else WHITE
    row = Table(
        [[Paragraph(f"<b>{title_txt}</b>", body_bold),
          Paragraph(desc, body)]],
        colWidths=[4.5*cm, CONTENT_W - 4.5*cm],
        style=TableStyle([
            ("BACKGROUND", (0,0), (-1,-1), bg),
            ("VALIGN", (0,0), (-1,-1), "TOP"),
            ("TOPPADDING", (0,0), (-1,-1), 5),
            ("BOTTOMPADDING", (0,0), (-1,-1), 5),
            ("LEFTPADDING", (0,0), (-1,-1), 8),
            ("RIGHTPADDING", (0,0), (-1,-1), 8),
            ("BOX", (0,0), (-1,-1), 0.5, colors.HexColor("#CCCCCC")),
        ])
    )
    story.append(row)

story.append(Spacer(1, 0.35*cm))

# ── KEY TAKEAWAYS ──────────────────────────────────────────────────────────────
story.append(section_box("✅  Key Takeaways", GREEN))
story.append(Spacer(1, 0.2*cm))

takeaways = [
    "The DASH diet is proven to lower blood pressure — in India, traditional plant-based diets are naturally aligned with its core principles.",
    "Salt reduction is the single most impactful change — target <5 g/day (1 tsp); eliminate pickles, papad, and excess cooking salt.",
    "Eat more potassium: bananas, palak, rajma, dal, coconut water, guava — all common Indian foods that actively lower BP.",
    "Choose whole grains: bajra, jowar, ragi, brown rice, whole wheat roti over maida-based preparations.",
    "Combine diet with 150 minutes of aerobic exercise per week — this combination can reduce SBP by >10 mmHg.",
    "India's low hypertension control rate (~15%) makes dietary self-management critically important alongside medication adherence.",
    "Consult your physician or dietitian before making major dietary changes, especially if you have CKD, diabetes, or are on medications.",
]

for i, tk in enumerate(takeaways):
    story.append(bullet_item(tk, emoji=f"{i+1}."))

story.append(Spacer(1, 0.3*cm))

# ── FOOTER / REFERENCES ──────────────────────────────────────────────────────
story.append(HRFlowable(width=CONTENT_W, thickness=1, color=colors.HexColor("#CCCCCC")))
story.append(Spacer(1, 0.1*cm))
refs_style = style("Refs",
    fontSize=7.5, leading=11, textColor=MID_TEXT,
    fontName="Helvetica-Oblique", alignment=TA_LEFT)
story.append(Paragraph(
    "<b>References:</b> Fuster & Hurst's The Heart 15th Ed., pp. 249–250 | "
    "Harrison's Principles of Internal Medicine 22e, pp. 1900–1901 | "
    "Maheshwari A et al. J Hum Hypertens 2024 (PMID: 39367179) | "
    "Gupta R et al. Hypertens Res 2024 (PMID: 38379011) | "
    "ACC/AHA 2018 Hypertension Guidelines | WHO Salt Reduction Guidelines",
    refs_style
))
story.append(Spacer(1, 0.05*cm))
story.append(Paragraph(
    "This document is for educational purposes only. It does not constitute medical advice. "
    "Always consult a qualified healthcare professional for personalised guidance.",
    refs_style
))

# ── BUILD ─────────────────────────────────────────────────────────────────────
doc.build(story)
print(f"PDF created: {OUTPUT}")

cd /home/daytona/workspace/dash-diet-india && python create_pdf.py 2>&1

ls -lh /home/daytona/workspace/dash-diet-india/DASH_Diet_Indian_Cuisine.pdf