“Every human being of adult years and sound mind has a right to determine what shall be done with his own body.”
Schloendorff v. Society of New York Hospital, 1914
MyHealthcare.com
Understand how your own body works. Explore a plain-language health-education library — diseases, vitamins, minerals, herbs, remedies, foods, amino acids and lab tests — then press play on the interactive biology visualizations below and watch a part of the body come to life, with sound and live readouts in real units.
Browse the Health Library
Plain-language, referenced articles across every area of health — conditions, nutrition, and the lab tests that measure them.
Interactive Biology Visualizations
See all 137 →Hard-to-picture biology, brought to life. Press play, slow it down, and watch how a part of the body actually works — now with sound, and live readouts in real units.
Mitochondria & ATP
DNA → Protein
Methylation Cycle
Na⁺/K⁺ Pump
Free Radicals
Glycolysis & Krebs
Lactate & Cori Cycle
Cell Cycle & Cancer
DNA Repair
Apoptosis
Telomeres & Aging
Autophagy & Fasting
Protein Folding
Membrane Transport
Mitosis
Meiosis
Enzymes
Inheritance
Gene Regulation
CRISPR
Metastasis
Heart & Circulation
Blood Pressure
Cholesterol & Plaque
Nitric Oxide
Breathing
Blood Clotting
Iron & Hepcidin
Potassium & the Heartbeat
Blood pH & Acid–Base
Clot Busting
Lymphatic System
Hemoglobin & O₂
Blood Types (ABO)
The Baroreflex
Red Cells & EPO
Lung Surfactant
Platelets
Heart’s Electrical System
Airway Cleaning & Cough
Pulse Oximetry
Heart Failure
Venous Return
Asthma & Inhalers
Sleep Apnea & CPAP
Blood Sugar & Insulin
Thyroid Control
Stress & Cortisol
Sleep & Body Clock
Hunger & Leptin
Fat Burning & Ketosis
GLP-1 & Incretins
Inside the Beta Cell
Insulin Signaling (GLUT4)
Brown Fat & Heat
Menstrual Cycle
Growth Hormone
Daily Cortisol Rhythm
Melatonin & Body Clock
Lactation & Let-Down
Testosterone Axis
The Placenta
Menopause
Fertilization
Glycation & HbA1c
Nerve Impulse
Dopamine & Reward
Caffeine & Adenosine
Serotonin & Mood
Vision & Retina
Hearing
Pain & the Gate
GABA & the Brake
Blood-Brain Barrier
Reflex Arc
Taste
Smell
Cerebrospinal Fluid
Neuromuscular Junction
Gut-Brain Axis
Memory & LTP
Balance & Vertigo
Eye Focusing
Tolerance & Dependence
Pupil Light Reflex
Chili & TRPV1
Stroke
Seizure & Epilepsy
Migraine
Digestion
Stomach Acid & PPIs
Gut & Microbiome
Liver Detox
Alcohol
Kidney Nephron
Muscle Contraction
Bone & Calcium
SGLT2 & Glucose
Thirst, ADH & Water
Bilirubin & Jaundice
Bile & Fat Digestion
Peristalsis
Pharmacokinetics (ADME)
Muscle Fiber Types
Fracture Healing
Bladder & Micturition
Liver & Blood Sugar
Gout & Uric Acid
Pancreas Enzymes
Kidney Stones
Nausea & Vomiting
Osmosis & Tonicity
Tooth Decay
Osteoarthritis
Vitamin D
Vitamin B12
Vitamin C & Collagen
Magnesium & ATP
Calcium & PTH
Vitamin K & Warfarin
Immune Response
Inflammation
Histamine & Allergy
Fever & Thermostat
Complement System
Wound Healing
Vaccines & Immunity
Antibiotic Resistance
Anaphylaxis & EpiPen
Biofilms
Sweat & Cooling
Cryotherapy & Cold
Stem Cells
Autoimmunity
Hair Growth & Loss
Sunburn & Melanin
Cyclospora Outbreak