# Health Encyclo

> https://www.healthencyclo.com/en: health reference articles and free medical calculators in seven languages.
> Content is drafted with large language models and edited before publication;
> see https://www.healthencyclo.com/en/editorial-policy for how it is produced and reviewed.

## Start here

- [Home](https://www.healthencyclo.com/en): entry point for the English edition
- [All tools](https://www.healthencyclo.com/en/tools): index of every calculator and chart
- [Editorial policy](https://www.healthencyclo.com/en/editorial-policy): how content is written, sourced and updated
- [About](https://www.healthencyclo.com/en/about): what this site is
- [Contact](https://www.healthencyclo.com/en/contact): how to reach the operator

## Calculators and charts

### Fitness & Body Composition

- [TDEE Calculator](https://www.healthencyclo.com/en/calculator/tdee-calculator): Calculate Total Daily Energy Expenditure
- [BMI Calculator](https://www.healthencyclo.com/en/calculator/bmi-calculator): Calculate Body Mass Index
- [FFMI Calculator](https://www.healthencyclo.com/en/calculator/ffmi-calculator): Fat-Free Mass Index for athletes
- [One Rep Max Calculator](https://www.healthencyclo.com/en/calculator/one-rep-max-calculator): Calculate your 1-rep max
- [VO2 Max Calculator](https://www.healthencyclo.com/en/calculator/vo2-max-calculator): Calculate VO2 Max for cardio fitness
- [BSA Calculator](https://www.healthencyclo.com/en/calculator/bsa-calculator): Calculate body surface area
- [Waist to Hip Ratio Calculator](https://www.healthencyclo.com/en/calculator/waist-hip-ratio-calculator): Calculate waist-to-hip ratio
- [RPE Calculator](https://www.healthencyclo.com/en/calculator/rpe-calculator): Rate of Perceived Exertion
- [Target Heart Rate Calculator](https://www.healthencyclo.com/en/calculator/target-heart-rate-calculator): Calculate target heart rate zones

### Nutrition & Diet

- [Macros Calculator](https://www.healthencyclo.com/en/calculator/macros-calculator): Calculate protein, carbs, and fat
- [Calorie Burned Calculator](https://www.healthencyclo.com/en/calculator/calorie-burned-calculator): Calories burned during exercise
- [Recipe Nutrition Calculator](https://www.healthencyclo.com/en/calculator/recipe-nutrition-calculator): Analyze recipe nutrition facts
- [Water Intake Calculator](https://www.healthencyclo.com/en/calculator/water-intake-calculator): Calculate daily water needs
- [Weight Watchers Calculator](https://www.healthencyclo.com/en/calculator/weight-watchers-calculator): Weight Watchers points calculator
- [Keto Macro Calculator](https://www.healthencyclo.com/en/calculator/keto-macro-calculator): Keto diet macro calculator
- [BAC Calculator](https://www.healthencyclo.com/en/calculator/bac-calculator): Blood Alcohol Content calculator
- [Starbucks Calorie Calculator](https://www.healthencyclo.com/en/calculator/starbucks-calorie-calculator): Starbucks nutrition calculator
- [Chipotle Calorie Calculator](https://www.healthencyclo.com/en/calculator/chipotle-calorie-calculator): Chipotle nutrition calculator
- [Cava Calorie Calculator](https://www.healthencyclo.com/en/calculator/cava-calorie-calculator): Cava nutrition calculator

### Pregnancy & Parenting

- [Due Date Calculator](https://www.healthencyclo.com/en/calculator/due-date-calculator): Calculate baby due date
- [Ovulation Calculator](https://www.healthencyclo.com/en/calculator/ovulation-calculator): Calculate ovulation period
- [Implantation Calculator](https://www.healthencyclo.com/en/calculator/implantation-calculator): Calculate implantation date
- [Pregnancy Weight Gain Calculator](https://www.healthencyclo.com/en/calculator/pregnancy-weight-gain-calculator): Track pregnancy weight gain
- [Baby Percentile Calculator](https://www.healthencyclo.com/en/calculator/baby-percentile-calculator): Track baby growth percentiles
- [Child Height Calculator](https://www.healthencyclo.com/en/calculator/child-height-calculator): Predict child adult height

### Medical Indicators

- [A1C Calculator](https://www.healthencyclo.com/en/calculator/a1c-calculator): A1C to average blood glucose
- [Creatinine Clearance Calculator](https://www.healthencyclo.com/en/calculator/creatinine-clearance-calculator): Kidney function assessment
- [Anion Gap Calculator](https://www.healthencyclo.com/en/calculator/anion-gap-calculator): Acid-base status assessment
- [Corrected Calcium Calculator](https://www.healthencyclo.com/en/calculator/corrected-calcium-calculator): Calculate corrected calcium
- [MAP Calculator](https://www.healthencyclo.com/en/calculator/map-calculator): Mean Arterial Pressure calculator
- [LDL Calculator](https://www.healthencyclo.com/en/calculator/ldl-calculator): Calculate LDL cholesterol
- [Molar Mass Calculator](https://www.healthencyclo.com/en/calculator/molar-mass-calculator): Calculate molar mass

### Growth & Wellness

- [Chronological Age Calculator](https://www.healthencyclo.com/en/calculator/chronological-age-calculator): Calculate exact age
- [Biological Age Calculator](https://www.healthencyclo.com/en/calculator/biological-age-calculator): Assess biological age
- [Sleep Calculator](https://www.healthencyclo.com/en/calculator/sleep-calculator): Calculate sleep cycles
- [Dog Years Calculator](https://www.healthencyclo.com/en/calculator/dog-years-calculator): Convert dog years to human

### Medication & Safety

- [Dosage Calculator](https://www.healthencyclo.com/en/calculator/dosage-calculator): Calculate medication dosage
- [Standard Drink Calculator](https://www.healthencyclo.com/en/calculator/standard-drink-calculator): Standard drink units
- [Caffeine Half-Life Calculator](https://www.healthencyclo.com/en/calculator/caffeine-half-life-calculator): Caffeine metabolism calculator
- [Infant Dosage Calculator](https://www.healthencyclo.com/en/calculator/infant-dosage-calculator): Calculate safe Tylenol and Motrin dosage for infants
- [Dog Gabapentin Dosage Calculator](https://www.healthencyclo.com/en/calculator/dog-gabapentin-dosage-calculator): Calculate gabapentin dosage for dogs

### Baby Health

- [Baby Teeth Chart](https://www.healthencyclo.com/en/chart/baby-teeth): Track baby teeth eruption and loss timeline
- [Baby Poop Chart](https://www.healthencyclo.com/en/chart/baby-poop): Baby poop color and texture guide

### Nutrition Charts

- [High-Fiber Foods Chart](https://www.healthencyclo.com/en/chart/high-fiber-foods): Chart of high-fiber foods for digestive health
- [High Calcium Foods Chart](https://www.healthencyclo.com/en/chart/high-calcium-foods): Chart of calcium-rich foods for bone health
- [Potassium-Rich Foods Chart](https://www.healthencyclo.com/en/chart/potassium-foods): Chart of potassium-rich foods for heart health
- [Vitamin D Foods Chart](https://www.healthencyclo.com/en/chart/vitamin-d-foods): Chart of vitamin D rich foods for health
- [Diabetic GI Chart](https://www.healthencyclo.com/en/chart/diabetic-gi): Glycemic index chart for diabetic meal planning

### Symptom Checkers

- [Bug Bites Identification Chart](https://www.healthencyclo.com/en/chart/bug-bites): Identify different types of bug bites
- [Sunburn Severity Chart](https://www.healthencyclo.com/en/chart/sunburn-severity): Assess sunburn severity and treatment

### Pain Assessment

- [Knee Pain Location Chart](https://www.healthencyclo.com/en/chart/knee-pain): Identify knee pain causes by location
- [Headache Location Chart](https://www.healthencyclo.com/en/chart/headache): Identify headache types by location
- [Tattoo Pain Chart](https://www.healthencyclo.com/en/chart/tattoo-pain): Tattoo pain levels by body location

### Body Charts & Reflexology

- [Foot Reflexology Chart](https://www.healthencyclo.com/en/chart/foot-reflexology): Foot reflexology points and corresponding organs
- [Hand Reflexology Chart](https://www.healthencyclo.com/en/chart/hand-reflexology): Hand reflexology points and corresponding organs
- [Teeth Numbering Chart](https://www.healthencyclo.com/en/chart/teeth-numbering): Universal teeth numbering system chart

### Lab Values & Medical Tests

- [Lab Values Reference Chart](https://www.healthencyclo.com/en/chart/lab-values): Complete reference chart for medical lab values
- [Lipase & Troponin Levels Chart](https://www.healthencyclo.com/en/chart/lipase-troponin): Normal ranges for lipase and troponin levels
- [Miscarriage Risk Calculator](https://www.healthencyclo.com/en/calculator/miscarriage-risk-calculator): Assess miscarriage risk by pregnancy week
- [Peptide Calculator](https://www.healthencyclo.com/en/calculator/peptide-calculator): Calculate peptide reconstitution and dosage

### Running & Fitness

- [Running Pace Calculator](https://www.healthencyclo.com/en/calculator/running-pace-calculator): Calculate running pace, speed, and split times
- [HRV by Age Chart](https://www.healthencyclo.com/en/chart/hrv-by-age): Heart rate variability norms by age group
- [ACFT Score Calculator](https://www.healthencyclo.com/en/calculator/acft-score-calculator): Army Combat Fitness Test score calculator

### Parenting & Childcare

- [Fetal Heart Rate Chart](https://www.healthencyclo.com/en/chart/fetal-heart-rate): Normal fetal heart rate by pregnancy stage
- [Potty Training Chart](https://www.healthencyclo.com/en/chart/potty-training): Potty training readiness signs and timeline

### Lifestyle & Protection

- [Sun Protection Guide](https://www.healthencyclo.com/en/chart/sun-protection): SPF guide and sun protection recommendations

## Topic categories

- [Skin, Hair & Nails](https://www.healthencyclo.com/en/category/skin-hair-and-nails): 111 articles
- [Cancer Topics](https://www.healthencyclo.com/en/category/cancer-topics): 23 articles
- [General Health & Wellness](https://www.healthencyclo.com/en/category/general-health-and-wellness): 295 articles
- [Head & Mouth](https://www.healthencyclo.com/en/category/head-and-mouth): 100 articles
- [Eyes & Ears](https://www.healthencyclo.com/en/category/eyes-and-ears): 52 articles
- [Back & Spine](https://www.healthencyclo.com/en/category/back-and-spine): 41 articles
- [Lungs & Breathing](https://www.healthencyclo.com/en/category/lungs-and-breathing): 33 articles
- [Digestive System](https://www.healthencyclo.com/en/category/digestive-system): 25 articles
- [Reproductive Health](https://www.healthencyclo.com/en/category/reproductive-health): 83 articles
- [Arms, Legs, Hands & Feet](https://www.healthencyclo.com/en/category/arms-legs-hands-and-feet): 77 articles
- [Digestive Health](https://www.healthencyclo.com/en/category/digestive-health): 109 articles
- [Symptoms & Signs](https://www.healthencyclo.com/en/category/symptoms-and-signs): 368 articles
- [Conditions & Diseases](https://www.healthencyclo.com/en/category/conditions-and-diseases): 277 articles
- [Health Comparisons](https://www.healthencyclo.com/en/category/health-comparisons): 51 articles
- [Treatments & Procedures](https://www.healthencyclo.com/en/category/treatments-and-procedures): 237 articles
- [Home Remedies & Self-Care](https://www.healthencyclo.com/en/category/home-remedies-and-self-care): 162 articles
- [Anatomy & Body Systems](https://www.healthencyclo.com/en/category/anatomy-and-body-systems): 25 articles
- [Common Health Questions](https://www.healthencyclo.com/en/category/common-health-questions): 260 articles
- [Women's Health](https://www.healthencyclo.com/en/category/womens-health): 125 articles
- [Men's Health](https://www.healthencyclo.com/en/category/mens-health): 21 articles
- [Bones, Joints & Muscles](https://www.healthencyclo.com/en/category/bones-joints-and-muscles): 135 articles
- [Ear, Nose & Throat](https://www.healthencyclo.com/en/category/ear-nose-and-throat): 51 articles
- [Brain & Nerves](https://www.healthencyclo.com/en/category/brain-and-nerves): 100 articles
- [Heart & Circulation](https://www.healthencyclo.com/en/category/heart-and-circulation): 63 articles
- [Hormones & Metabolism](https://www.healthencyclo.com/en/category/hormones-and-metabolism): 87 articles

## Sample articles (50 of 888)

- [Sagging Breasts: Causes, Evidence-Based Solutions, and Long-Term Prevention](https://www.healthencyclo.com/en/article/sagging-breasts-causes-evidence-based-solutions-and-long-term-prevention)
- [How Long Does Egg Last Once Ovulated: Fertility Window Explained](https://www.healthencyclo.com/en/article/how-long-does-egg-last-once-ovulated-fertility-window-explained)
- [Understanding an Evaporation Line on a Pregnancy Test: Causes, Identification & Next Steps](https://www.healthencyclo.com/en/article/understanding-an-evaporation-line-on-a-pregnancy-test-causes-identification-and-next-steps)
- [Why Are My Ears Hot? Causes, Medical Insights & Relief Strategies](https://www.healthencyclo.com/en/article/why-are-my-ears-hot-causes-medical-insights-and-relief-strategies)
- [Can You Get a Zit on Your Tongue? Medical Facts, Causes, and Treatments](https://www.healthencyclo.com/en/article/can-you-get-a-zit-on-your-tongue-medical-facts-causes-and-treatments)
- [Tongue Spots Black: Causes, Diagnosis, Treatment, and Prevention Guide](https://www.healthencyclo.com/en/article/tongue-spots-black-causes-diagnosis-treatment-and-prevention-guide)
- [Can You Take Tylenol With Prednisone? Safety, Interactions, and Clinical Guidance](https://www.healthencyclo.com/en/article/can-you-take-tylenol-with-prednisone-safety-interactions-and-clinical-guidance)
- [Is Cranberry Juice Acidic? Science-Backed Insights, Health Impacts, and Safe Consumption Tips](https://www.healthencyclo.com/en/article/is-cranberry-juice-acidic-science-backed-insights-health-impacts-and-safe-consumption-tips)
- [Prism Glasses for Diplopia: A Complete Clinical and Practical Guide](https://www.healthencyclo.com/en/article/prism-glasses-for-diplopia-a-complete-clinical-and-practical-guide)
- [Understanding the Eye Condition GPC: Symptoms, Diagnosis, and Evidence-Based Treatment](https://www.healthencyclo.com/en/article/understanding-the-eye-condition-gpc-symptoms-diagnosis-and-evidence-based-treatment)
- [Why Do My Mouth Taste Like Blood? Causes, Remedies, and When to Seek Help](https://www.healthencyclo.com/en/article/why-do-my-mouth-taste-like-blood-causes-remedies-and-when-to-seek-help)
- [Understanding Bone Growth in the Mouth: Causes, Types, and Clinical Management](https://www.healthencyclo.com/en/article/understanding-bone-growth-in-the-mouth-causes-types-and-clinical-management)
- [Understanding and Managing Semaglutide Constipation: A Complete Guide](https://www.healthencyclo.com/en/article/understanding-and-managing-semaglutide-constipation-a-complete-clinical-guide)
- [Carpal Tunnel vs Tendonitis: Symptoms, Causes & Evidence-Based Treatments](https://www.healthencyclo.com/en/article/carpal-tunnel-vs-tendonitis-symptoms-causes-and-evidence-based-treatments)
- [Is Ureaplasma an STD? Complete Medical Guide to Symptoms, Testing & Treatment](https://www.healthencyclo.com/en/article/is-ureaplasma-an-std-complete-medical-guide-to-symptoms-testing-and-treatment)
- [The Truth About Eye Drops Redness: Safety, Science, and Safer Alternatives](https://www.healthencyclo.com/en/article/the-truth-about-eye-drops-redness-safety-science-and-safer-alternatives)
- [The Complete Guide to Children's Probiotic Gummies for Gut Health and Immunity](https://www.healthencyclo.com/en/article/the-complete-guide-to-childrens-probiotic-gummies-for-gut-health-and-immunity)
- [Peroxide Mouthwash: Science, Safety, and Expert Dental Guidelines](https://www.healthencyclo.com/en/article/peroxide-mouthwash-science-safety-and-expert-dental-guidelines)
- [Can Gums Grow Back: Evidence-Based Insights on Recession, Treatment, and Prevention](https://www.healthencyclo.com/en/article/can-gums-grow-back-evidence-based-insights-on-recession-treatment-and-prevention)
- [Understanding 9 dpo symptoms: What to Expect During the Two-Week Wait](https://www.healthencyclo.com/en/article/understanding-9-dpo-symptoms-what-to-expect-during-the-two-week-wait)
- [Stroke Survival Rate by Age: Evidence-Based Prognosis and Recovery Guide](https://www.healthencyclo.com/en/article/stroke-survival-rate-by-age-evidence-based-prognosis-and-recovery-guide)
- [Unlock the Science-Backed Benefits of Organic Moringa](https://www.healthencyclo.com/en/article/unlock-the-science-backed-benefits-of-organic-moringa)
- [Recovery Time for Herniated Lumbar Disc Surgery: A Complete Medical Guide](https://www.healthencyclo.com/en/article/recovery-time-for-herniated-lumbar-disc-surgery-a-complete-medical-guide)
- [Hazy Urine in Pregnancy: Causes, Management, and When to Seek Care](https://www.healthencyclo.com/en/article/hazy-urine-in-pregnancy-causes-management-and-when-to-seek-care)
- [Sea Salt Iodised: Understanding the Truth About Iodine, Thyroid Health, and Sodium Intake](https://www.healthencyclo.com/en/article/sea-salt-iodised-understanding-the-truth-about-iodine-thyroid-health-and-sodium-intake)
- [Grover's Disease Food to Avoid: Evidence-Based Dietary Triggers and Skin Healing Strategies](https://www.healthencyclo.com/en/article/grovers-disease-food-to-avoid-evidence-based-dietary-triggers-and-skin-healing-strategies)
- [Understanding and Relieving Gas Pain in Shoulder: A Medical Guide](https://www.healthencyclo.com/en/article/understanding-and-relieving-gas-pain-in-shoulder-a-medical-guide)
- [Understanding Stress Test Charges: Costs, Insurance Coverage, and Financial Planning](https://www.healthencyclo.com/en/article/understanding-stress-test-charges-costs-insurance-coverage-and-financial-planning)
- [Stabbing Pain Under Left Shoulder Blade: Causes, Relief & When to Seek Help](https://www.healthencyclo.com/en/article/stabbing-pain-under-left-shoulder-blade-causes-relief-and-when-to-seek-help)
- [Can Dry Eyes Cause Blindness? Understanding the Risks, Treatments, and Vision Protection](https://www.healthencyclo.com/en/article/can-dry-eyes-cause-blindness-understanding-the-risks-treatments-and-vision-protection)
- [Dehiscence of a Wound: Causes, Warning Signs & Evidence-Based Care Guide](https://www.healthencyclo.com/en/article/dehiscence-of-a-wound-causes-warning-signs-and-evidence-based-care-guide)
- [Are Hiccups a Sign of Pregnancy? Medical Evidence and Safe Relief](https://www.healthencyclo.com/en/article/are-hiccups-a-sign-of-pregnancy-medical-evidence-and-safe-relief)
- [Knee Hyperlaxity: Causes, Diagnosis, Stabilization Exercises & Long-Term Joint Health](https://www.healthencyclo.com/en/article/knee-hyperlaxity-causes-diagnosis-stabilization-exercises-and-long-term-joint-health)
- [What Is Crows Feet? Medical Causes, Prevention & Treatment Guide](https://www.healthencyclo.com/en/article/what-is-crows-feet-medical-causes-prevention-and-treatment-guide)
- [Understanding a Knot in Arch of Foot: Causes, Relief, and Treatment](https://www.healthencyclo.com/en/article/understanding-a-knot-in-arch-of-foot-causes-relief-and-treatment)
- [Understanding and Treating Pain While Coughing Lower Abdomen](https://www.healthencyclo.com/en/article/understanding-and-treating-pain-while-coughing-lower-abdomen)
- [Sperm in Eye: Medical Risks, First Aid, and STI Prevention Guide](https://www.healthencyclo.com/en/article/sperm-in-eye-medical-risks-first-aid-and-sti-prevention-guide)
- [IUD vs Pill: Comprehensive Contraceptive Comparison Guide](https://www.healthencyclo.com/en/article/iud-vs-pill-comprehensive-contraceptive-comparison-guide)
- [Mupirocin vs Bacitracin: A Complete Guide to Topical Antibiotic Selection](https://www.healthencyclo.com/en/article/mupirocin-vs-bacitracin-a-complete-clinical-guide-to-topical-antibiotic-selection)
- [Understanding Why My Nose Is So Itchy: Causes, Relief & Prevention](https://www.healthencyclo.com/en/article/understanding-why-my-nose-is-so-itchy-causes-relief-and-prevention)
- [Lima Beans vs Edamame: A Complete Nutritional & Culinary Comparison](https://www.healthencyclo.com/en/article/lima-beans-vs-edamame-a-complete-nutritional-and-culinary-comparison)
- [Thin Uterine Lining: Causes, Symptoms, Fertility Impact & Proven Treatments](https://www.healthencyclo.com/en/article/thin-uterine-lining-causes-symptoms-fertility-impact-and-proven-treatments)
- [Cataract Glasses: Managing Vision Changes Before Surgery](https://www.healthencyclo.com/en/article/cataract-glasses-managing-vision-changes-before-surgery)
- [Ten Worst Foods for Prostate Health: A Comprehensive Dietary Guide](https://www.healthencyclo.com/en/article/ten-worst-foods-for-prostate-health-a-comprehensive-dietary-guide)
- [Bladder Infection Itch: Symptoms, Causes & Evidence-Based Relief](https://www.healthencyclo.com/en/article/bladder-infection-itch-symptoms-causes-and-evidence-based-relief)
- [Do Tampons Hurt? A Comprehensive Guide to Comfort, Safety & Proper Use](https://www.healthencyclo.com/en/article/do-tampons-hurt-a-comprehensive-guide-to-comfort-safety-and-proper-use)
- [Baby Rolling Over at 2 Months: Is It Normal? Developmental Guide](https://www.healthencyclo.com/en/article/baby-rolling-over-at-2-months-is-it-normal-developmental-guide)
- [Do Newborns Get Strep Throat? A Comprehensive Pediatric Guide](https://www.healthencyclo.com/en/article/do-newborns-get-strep-throat-a-comprehensive-pediatric-guide)
- [How Long Can Pink Eye Bacteria Live on a Surface? A Complete Guide to Contagion and Prevention](https://www.healthencyclo.com/en/article/how-long-can-pink-eye-bacteria-live-on-a-surface-a-complete-guide-to-contagion-and-prevention)
- [Why Is the Roof of My Mouth Sore? Causes, Treatments, and When to See a Doctor](https://www.healthencyclo.com/en/article/why-is-the-roof-of-my-mouth-sore-causes-treatments-and-when-to-see-a-doctor)

## Other languages

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