Ask the Expert

Ask the Expert is an interactive resource for the Integrative Practitioner community. The information and materials provided are for general education purposes only and are in no way intended to replace or constitute case-specific or other medical advice, treatment, or diagnosis.

Integrative healthcare practitioners are encouraged to submit general questions to our featured expert. Questions from the general public will not be answered.

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Featured Expert


Jane A Foster, PhD
Associate Professor, Psychiatry Neuroscience, McMaster University

Jane Foster, PhD joined the McMaster University faculty in 2003. She holds a research appointment with the University Health Network in Toronto, Ontario, Canada, as well as a scientific position with St. Michael’s Hospital.

Dr. Foster is an active researcher with two translational networks, The Province of Ontario Neurodevelopment Disorders Network (POND) and the Canadian Biomarker Integration Network in Depression (CAN-BIND). Her research focuses on the role of immune-brain and gut-brain interactions on neurodevelopment, behavior, and brain function. The Foster Lab includes a behavioral unit designed to measure human behavior across the lifespan.

Learn more about Foster Lab.



March 21, 2018

As a scientist interested in microbe-host interactions and the impact of this system on brain development and mental health, I look forward to a time … Read More

March 21, 2018

The greatest challenge in treating mood disorders is the time it takes to match an individual with a mood disorder to a treatment that works for them.… Read More

March 21, 2018

For most people, probiotics use does not lead to negative side effects. In a few people, probiotic use may be associated with diarrhea and possibly he… Read More

March 21, 2018

Typically, probiotics do not colonize the gut but instead have a beneficial effect through communication and interaction with microbes, immune cells, … Read More

March 21, 2018

While there are numerous probiotics on the market, and many products containing probiotics on the market, clinical evidence related to probiotic use f… Read More

March 21, 2018

Psychobiotics are live bacteria (probiotics) or other products (prebiotics) that when ingested confer mental health benefits through interactions with… Read More

March 21, 2018

The ongoing debate and discussion related to nature versus nurture in the microbiome space is fascinating. We know that our genetics and our environme… Read More

March 21, 2018

Evidence from both animal studies and research in healthy individuals and clinical populations, identifies neural, immune, and metabolic mechanisms in… Read More