Uploaded September 2014 | Updated September 2026, 3 days ago
Subscribe to the Evans Health Lab newsletter on Substack. Evidence based, illustrated, and occasionally funny. drmikeevans.substack.com
A third of the world's children never reach their full potential — but here's the flip side: brain development isn't a fixed genetic blueprint. It's shaped by experience, especially in the first 1,000 days, when the brain is growing fastest and most responsive to investment.
In this video, I look at what holds brains back — not stress itself (some, buffered by supportive relationships, builds resilience), but toxic stress: abuse, neglect, violence, without that buffer. Then I get into what actually helps, citing studies on nutrition, play-based stimulation, and more.
The takeaway: food, play, and responsive love are powerful, low-tech investments. The first 1,000 days matter most, but it's never too late to make a difference in a person's brain.
Thanks for watching!
Follow Dr. Mike on:
Instagram:@docmikeevans
YouTube: @docmikeevans
LinkedIn: Michael Evans M.D.
Dr. Mike Evans is a Professor of Family Medicine at the University of Toronto, a former Director of Special Projects in Health @Apple, and now semi-retired - a term he defines as..."having slightly more time for newsletters, whiteboards, dog walking, and beer-league hockey."
Written and narrated by Dr. Mike Evans
Executive Producer, Dr. Mike Evans
Illustrations by Liisa Sorsa
Produced, directed, and photographed by Nick De Pencier
Editor, David Schmidt
Story/Graphic Facilitator, Disa Kauk
Production Assistant, Chris Niesing
Director of Operations, Mike Heinrich
©2014 Michael Evans and Reframe Health Films Inc.
Subscribe to the Evans Health Lab newsletter on Substack. Evidence based, illustrated, and occasionally funny. drmikeevans.substack.com
A third of the world's children never reach their full potential — but here's the flip side: brain development isn't a fixed genetic blueprint. It's shaped by experience, especially in the first 1,000 days, when the brain is growing fastest and most responsive to investment.
In this video, I look at what holds brains back — not stress itself (some, buffered by supportive relationships, builds resilience), but toxic stress: abuse, neglect, violence, without that buffer. Then I get into what actually helps, citing studies on nutrition, play-based stimulation, and more.
The takeaway: food, play, and responsive love are powerful, low-tech investments. The first 1,000 days matter most, but it's never too late to make a difference in a person's brain.
Thanks for watching!
Follow Dr. Mike on:
Instagram:@docmikeevans
YouTube: @docmikeevans
LinkedIn: Michael Evans M.D.
Dr. Mike Evans is a Professor of Family Medicine at the University of Toronto, a former Director of Special Projects in Health @Apple, and now semi-retired - a term he defines as..."having slightly more time for newsletters, whiteboards, dog walking, and beer-league hockey."
Written and narrated by Dr. Mike Evans
Executive Producer, Dr. Mike Evans
Illustrations by Liisa Sorsa
Produced, directed, and photographed by Nick De Pencier
Editor, David Schmidt
Story/Graphic Facilitator, Disa Kauk
Production Assistant, Chris Niesing
Director of Operations, Mike Heinrich
©2014 Michael Evans and Reframe Health Films Inc.






