Have questions about a disease or condition?

Ever wonder what effects colon cancer has on the human body? With Discovery Health's interactive, online human body atlas, you can see first-hand how over 240 diseases and disorders affect human anatomy. Our interactive human body atlas provides in-depth demonstrations of more than 240 common diseases and disorders — from HIV to diabetes to LASIK eye surgery. Not only will you learn about causes and treatments for many diseases and disorders, you can watch how they work in your own human body.

Blood & Immune System AIDS Allergies Immunization Influenza Lupus Lyme Disease Radiation Sickness Splenectomy Vaccines Cardiovascular Abdominal Aneurysm Angiogram Angioplasty Atherectomy Atrial Fibrillation Bradycardia Blood Pressure Conduction System Congenital Heart Disease Congestive Heart Failure Heart Bypass Surgery Heart-Lung Machine How the Heart Works How the Valves Work Hyperlipidemia LV Assist Device Mitral Valve Stenosis Myocardial Infarction OPCAB Plaque Rupture Prenatal Heart Circulation Pulmonary Embolism Pulmonary Hypertension Sickle Cell Anemia Stress Test / ECG Stroke Valvular Regurgitation Ventricular Tachycardia Ears Cochlear Implants Ear Pressure Ear Tubes Hearing Loss Hearing Test Otitis Media Eyes Astigmatism Cataracts Diabetic Retinopathy Glaucoma LASIK Eye Surgery Low Vision Macular Degeneration Near / Far Sightedness Presbyopia Ligaments & Tendons Achilles Tendon Tear Pulled Groin Muscle Pulled Hamstring Rotator Cuff Injury Orthopedic Anatomy of the Shoulder Anatomy of Spine Ankylosing Spondylitis Anterior Cruciate Ligament Tear Back & Neck Braces Bone Scans Carpal Tunnel Syndrome CAT Scans Cervical Spine Anatomy Cervical Surgery Chronic Rheumatism of the Knee Chronic Rheumatism of the Hand Degenerative Disc Disease Degenerative Disc Replacement Discography Electrodiagnostics Facet Joints Fractures Fractures II Hip Replacement Knee Replacement Low Back Pain Lumbar Fusion Lumbar Laminectomy Lumbar Surgery Medial Meniscus Injury Myelography Neck Pain Osteoarthritis of the Knee Osteoarthritis of the Hip Osteoporosis Periarthritis of the Shoulder Ruptured Disc Sacroiliac Joint Scoliosis Spinal Fusion Spinal Injections Spinal Problem Tests Spinal Stenosis Spinal Surgery Complications Spinal Tap Tennis Elbow Vertebral Fusion Whiplash X-Rays Respiratory Allergic Rhinitis Anthrax Antihistamine Asbestosis Asthma Atelectasis Bronchiectasis Bronchitis Bronchodilators COPD Cystic Fibrosis Emphysema How Lungs Function Influenza Inhalers Laryngitis Lung Cancer Meconium Aspiration Syndrome Mold Mucolytics Pleural Effusion Pleurisy Pneumonia Pneumonitis Pneumothorax Silicosis Sinusitis Upper Respiratory Infection

Bladder & Kidney Bladder Incontinence Bladder Infection Kidney Dialysis Kidney Stones Kidney Transplant Renal Hypertension Urinary Tract Infection Cancer Treatment Cyberknife Radiosurgery Digestive & Mouth Appendicitis Biliopancreatic Diversion Botulism Cavities Colon Cancer Enzymes Fecal Incontinence Gallbladder Removal Gall Stones Gastric Ulcers GERD Gingivitis Hemorrhoids Hepatitis Hiatal Hernia Laparoscopic Gastric Banding Inguinal Hernia Liver Cirrhosis Liver Transplant Probiotics Root Canal Roux-en-Y Gastric Bypass Tonsillectomy Tonsillitis Vertical Banded Gastroplasty Vitamins & Minerals Endocrine Adrenal Corticosteroids Diabetes Diabetes Medication Diabetic Nephropathy Diabetic Neuropathy Insulin Delivery Thyroid Disease Thyroid Medication Genetics Down Syndrome Neurological ADHD Alzheimer's Disease Depression Drug Addiction Epilepsy Meningitis Migraine MRI Multiple Sclerosis Parkinson's Disease Pregnancy & Reproductive Amniocentesis Assisted Delivery Benign Prostatic Hyperplasia Breast Augmentation Breast Cancer Breast Lift Breast Reconstruction Breast Reduction Breast Self-Exam Cervical Dysplasia Cesarean Chorionic Villus Sampling Delivery Ectopic Pregnancy Endometriosis Epidural Episiotomy Fetal Development Herpes Hysterectomy Impotence Infertility IUD In Vitro Fertilization Menopause Ovariectomy Pelvic Inflammatory Disease Penile Implants Placenta Abruptio PMS Prostate Cancer Prostate Needle Biopsy Prostate Removal Sildenafil Citrate Ultrasound Uterine Cancer Vasectomy Yeast Infection