TORONTO AREA FUNCTIONAL MEDICINE

Markham Integrative Medicine is a leading clinic providing functional medicine services to patients in the Greater Toronto Area, Ontario, and beyond, both virtually and in person.

MEET DR. JOHN GANNAGE

Dr. John Gannage, MD, is a leader in Functional and Integrative Medicine and specializes in prevention and treatment of chronic disease using a combination of conventional and complementary medicine.

MCAS & HISTAMINE INTOLERANCE

Discover Dr. Gannage’s evidence-based, functional medicine approach to managing histamine intolerance and MCAS.

AUTISM SPECTRUM DISORDER

Learn more about the nutritional and environmental factors that may contribute to ASD, and the evolving landscape of integrative medical care for families.

TORONTO AREA FUNCTIONAL MEDICINE

Markham Integrative Medicine is a leading clinic providing functional medicine services to patients in the Greater Toronto Area, Ontario, and beyond, both virtually and in person.

MEET DR. JOHN GANNAGE

Dr. John Gannage, MD, is a leader in Functional and Integrative Medicine and specializes in prevention and treatment of chronic disease using a combination of conventional and complementary medicine.

MCAS & HISTAMINE INTOLERANCE

Discover Dr. Gannage’s evidence-based, functional medicine approach to managing histamine intolerance and MCAS.

AUTISM SPECTRUM DISORDER

Learn more about the nutritional and environmental factors that may contribute to ASD, and the evolving landscape of integrative medical care for families.

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Scroll Through Our Library...

Histamine Intolerance: The Game Changer in Chronic Illness

  Game-changing. Paradigm-shifting. Revolutionizing.  I am not one for hyperbole or exaggeration. But when I attend conferences, as I do often, and sift through the mounds of information, my service as a health practitioner is to bring to the clinic, on the...

Acupuncture for Detoxification: Ancient Techniques for Modern Wellness

In the context of detoxification, acupuncture aims to restore balance and support the body’s natural detox pathways.

GABA: What Is It + Its Balance with Excitatory Glutamates

GABA is an important neurotransmitter that can support sleep, reduce anxiety, and aid cognitive function. However, to support your body properly, it needs to be in the right balance with another neurotransmitter called glutamate.

Toxic Metals and Your Heart: What’s the Connection

New research suggests that toxic metal exposure, even at low levels, can increase the risk of atherosclerosis, which can lead to heart disease down the line.

Acupuncture for Detoxification: Ancient Techniques for Modern Wellness

In modern terms, acupuncture is recognized for its ability to stimulate various physiological processes, including the release of endorphins and the modulation of the nervous system, which can have a wide range of therapeutic effects.

B Complex: Your Comprehensive Guide to B Vitamins

B vitamins support metabolism, brain cell function and brain health, cellular health, new blood cell production, skin health, and more.

Mast Cell Activation Syndrome: Everything You Need to Know

While mast cells are critical for your health, dysregulated or overactivated mast cells can cause issues. Mast cell activation syndrome or MCAS refers to a condition when your mast cells release too much histamine and other chemicals leading to widespread symptoms.

Are You Taking Too Many Medications? Less May Be More

Are you taking any medications for health issues? If you are, you are not alone. Most people do or will take some long-term medications throughout their lives and most will take several. According to the results of the 1996–2019 Medical Expenditure Panel Surveys, the...

DIM vs I3C: Which One Is Better for Estrogen Dominance?

Estrogen dominance is a common condition characterized by an imbalance between estrogen and progesterone. It can lead to weight gain, mood swings, and reproductive issues. 

Nutrition Tips

Top Tips to Improve Your Nutrition

Eating well can be more difficult than it sounds