General Health
Lung Anatomy: Complete Guide to How Lungs Work (2025)
Understanding lung anatomy is one of the best steps you can take to make sense of your breathing, your overall health, and the …
Medical Author
Dr. James Okafor, MD, PhD
Neurologist · Canada Health Journal
Dr. James Okafor holds an MD and PhD in Neurological Sciences from McGill University. With 12 years of experience in clinical neurology and mental health research, he has contributed to landmark studies on depression, anxiety, and cognitive health. Dr. Okafor is a Fellow of the Royal College of Physicians and Surgeons of Canada and serves on the editorial board of two peer-reviewed journals.
Articles by Dr. James Okafor, MD, PhD
General Health
Brain Structures: Functions Explained Simply (Canada)
Brain structures are the building blocks behind everything you think, feel, and do — from breathing to forming memories. …
Medical Tests & Diagnostics
High White Blood Cell Count: Causes & Treatment (Canada)
A high white blood cell count, known medically as leukocytosis, means your body is producing more white blood cells than the …
Medical Tests & Diagnostics
Urine Test Results: What They Really Mean (Canada)
Understanding your urine test results is one of the simplest ways to gain insight into your overall health. Doctors have relied on …
Medical Tests & Diagnostics
IgM Anti-HBc Antibody Test: Results Guide for Canadians
The IgM anti-HBc antibody test is a specialized blood test that helps Canadian doctors determine whether a hepatitis B virus (HBV) …
Medical Tests & Diagnostics
Nitrites in Urine: What Your Test Results Mean (Canada)
Finding nitrites in urine on a routine test can feel alarming, but this result is one of the most valuable clues your doctor has …
Medical Tests & Diagnostics
Alpha-1 Antitrypsin Test: Results & Guide for Canadians
The alpha-1 antitrypsin test is a simple blood test that measures a vital protein your liver produces to protect your lungs and …
Medical Tests & Diagnostics
CMV Antibody Test: IgM & IgG Results Guide (Canada)
A CMV antibody test is a simple blood test that reveals whether your body has been exposed to cytomegalovirus, one of the most …
Medical Tests & Diagnostics
Chlamydia Antibody Test: IgG & IgA Guide for Canadians
A chlamydia antibody test is a blood test that detects whether your immune system has produced antibodies in response to a …
Medical Tests & Diagnostics
Lyme Disease Blood Test: Guide for Canadians (2025)
A Lyme disease blood test is one of the most important diagnostic tools for detecting a Borrelia burgdorferi infection in Canada. …