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Everything on PureHealthness, organised. Articles, tools, books and policies — jump to any page from here.
🌿 Health Topics
🛠️ Tools & Calculators
Calorie Calculator
Daily calories to maintain, lose or gain weight (Mifflin-St Jeor).
Read: Calorie Calculator →Water Intake Calculator
Daily hydration target based on weight and activity.
Read: Water Intake Calculator →Steps & Distance Calculator
Distance and calories from your step count.
Read: Steps & Distance Calculator →Pregnancy Due-Date Calculator
Estimate your due date from your last menstrual period (Naegele's rule: LMP + 280 days).
Read: Pregnancy Due-Date Calculator →Symptom Checker (Educational)
Pick your symptoms for honest, common-cause guidance + red flags.
Read: Symptom Checker (Educational) →Blood Pressure Checker
Enter your reading — get your category and what to do.
Read: Blood Pressure Checker →Heart Rate Zones
Your training/recovery zones by age — useful after illness too.
Read: Heart Rate Zones →Dehydration & ORS Checker
Check dehydration level + get the WHO oral-rehydration recipe.
Read: Dehydration & ORS Checker →Medicine Dose Timer
Next 8 dose times from your schedule — simple and reliable.
Read: Medicine Dose Timer →Sleep Debt Calculator
How much sleep you owe yourself — and how to fix it.
Read: Sleep Debt Calculator →📚 Medical Books
The Evolution of Modern Medicine
William Osler (1921) · 6 chapters
Read: The Evolution of Modern Medicine →Immunity in Infective Diseases
Élie Metchnikoff (1905) · 29 chapters
Read: Immunity in Infective Diseases →Manual of Surgery (Vol. I — General Surgery)
Alexis Thomson & Alexander Miles (1913) · 22 chapters
Read: Manual of Surgery (Vol. I — General… →Hygiene: A Manual of Personal and Public Health
Sir Arthur Newsholme (1902) · 39 chapters
Read: Hygiene: A Manual of Personal and… →Outlines of Greek and Roman Medicine
James Sands Elliott (1914) · 14 chapters
Read: Outlines of Greek and Roman Medicine →Medicina Gymnastica (Exercise as Medicine)
Francis Fuller (1705) · 15 chapters
Read: Medicina Gymnastica (Exercise as… →