General Health
Acetylcholine: What It Does and Why It Matters
Acetylcholine is a neurotransmitter — a chemical that nerve cells use to communicate with each other.
🩺 Health Topic
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 248
Heart & Cardiovascular Health 90
Cancer 89
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 9
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
Keratitis: Causes, Symptoms & Treatment in Canada
Keratitis refers to any inflammation of the cornea, regardless of the cause. The cornea plays a vital role in helping your eye …
General Health
Irritability: Causes, Symptoms & When to Get Help
Irritability is the tendency to react quickly and strongly to stimulation — whether emotional, physical, or environmental.
General Health
Multiple Endocrine Neoplasia: Causes, Types & Treatment
Multiple endocrine neoplasia is also called pluriglandular adenomatosis or multiple endocrine adenomatosis.
General Health
Adenofibroma: What You Need to Know
An adenofibroma is a benign, non-cancerous tumour made up of two types of tissue: glandular tissue and fibrous connective tissue.
Heart & Cardiovascular Health
Deep Vein Thrombosis: Causes, Symptoms & Treatment
A blood clot, also called a thrombus, can form in two types of veins: surface veins (just under the skin) or deep veins (further …
Heart & Cardiovascular Health
Deep Vein Thrombosis: Warning Signs & What to Do
Deep vein thrombosis happens when a blood clot forms inside a deep vein, most often in the lower leg or thigh.
General Health
Retina: What It Is, How It Works & Eye Diseases
The retina is one of the most important parts of your eye. It is a thin layer of tissue that lines the inside back wall of the …
General Health
Free Radicals: What They Are and How They Harm You
A free radical is a molecule with an unpaired electron on its outer edge. This makes it highly unstable and reactive.
General Health
Sunscreen UVA UVB Protection: What Canadians Need to Know
Choosing the right broad-spectrum sunscreen is one of the most important steps you can take to protect your skin.