General Health
Retinoic Acid: What It Does and Why It Matters
Retinoic acid is a metabolite of vitamin A. That means your body produces it by breaking vitamin A down into a more active form.
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Conditions & Diseases
Evidence-based guides to diseases and medical conditions affecting Canadians — from heart and cancer to digestive, kidney, and hormonal health. Reviewed by licensed Canadian physicians.
Subcategories
General Health 258
Heart & Cardiovascular Health 92
Cancer 91
Medical Tests & Diagnostics 82
Digestive Health 61
Respiratory Health 55
Genetics & Congenital Disorders 38
Diabetes 35
Kidney Disease 29
Allergies & Immunology 23
Infections & Infectious Diseases 21
Surgery & Procedures 21
Thyroid Disorders 16
Blood & Hematology 14
Liver & Gallbladder Health 11
Ear Disorders 8
Endocrine & Hormonal Disorders 7
First Aid & Emergency 6
Stroke & Cerebrovascular Disease 5
Conditions & Diseases 5
ENT & Throat Disorders 4
Urology & Bladder Health 2
General Health
Polycythemia Vera: Symptoms, Causes & Treatment
Polycythemia vera is a type of blood cancer, though it progresses very slowly. The bone marrow — the spongy tissue inside your …
Respiratory Health
COPD: Symptoms, Causes, and Treatment in Canada
COPD is a group of long-term lung diseases that block airflow in and out of the lungs. As a result, the lungs cannot move air …
Respiratory Health
Wheezing: Causes, Symptoms & When to See a Doctor
Wheezing happens when the airways in your lungs become narrow or blocked. Air squeezes through these smaller passages and creates …
Heart & Cardiovascular Health
Brugada Syndrome: Symptoms, Causes & Treatment
Brugada syndrome is a type of heart arrhythmia — an abnormal heart rhythm. It affects tiny structures in the heart called ion …
Heart & Cardiovascular Health
Rheumatic Heart Disease: Causes, Symptoms & Treatment
Rheumatic heart disease happens when rheumatic fever damages one or more of the heart’s four valves.
General Health
Hereditary Multiple Exostoses: Symptoms & Treatment
Hereditary multiple exostoses is a congenital bone disorder. This means a person is born with the genetic changes that cause the …
General Health
RNA: What It Is and Why It Matters for Your Health
RNA stands for ribonucleic acid. It is a molecule found in every cell of your body. Think of it as a chemical messenger that …
Genetics & Congenital Disorders
Rapp-Hodgkin Syndrome: Symptoms, Causes & Care
Rapp-Hodgkin syndrome is also known as anhidrotic ectodermal dysplasia. The word “anhidrotic” refers to little or no sweating.
Genetics & Congenital Disorders
Opitz Syndrome: Causes, Symptoms & Diagnosis
Opitz syndrome is a congenital disorder, meaning it is present from birth. It affects structures that develop from a specific …