The Medicine that Asks Why

Dr. Achina Stein, owner of Functional Mind, Providence.

A note from the editor

There is a particular kind of exhaustion that has become almost universal: the exhaustion of a body that has been tested, medicated, referred, retested, and is still not well. It is the exhaustion not just of symptoms, but of not being believed or listened to. Of being handed a prescription for something that treats the surface while the deeper question goes unasked.

Functional medicine begins with that question. Not what do we call this — but why is this happening.

Dr. Achina Stein is a functional medicine psychiatrist practicing in Providence, Rhode Island, and one of the most quietly radical voices in her field. She is also a contributor to Khiton Free Press — because we believe that slow living is not just about what we grow and make and eat. It is about how we tend the body that carries us through all of it. How we listen to it. How we stop silencing it with shortcuts.

Her piece, originally published in Khiton Issue No. 1, is one of the most read we have shared. We offer it here in its entirety because everyone deserves to read it, and because some stories are too important to keep behind a print run.

Functional Medicine: The Medicine That Asks Why by Dr. Achina Stein

There is a particular kind of patient I meet often.

They arrive with a quiet exhaustion — not just from their symptoms, but from the long journey of trying to understand them. They have seen specialists, run labs, tried medications. They have been told, more than once, that everything looks "normal" and the unspoken message that it's in their head.

And yet, they are not well.

They struggle with anxiety that doesn't fully lift, depression that lingers beneath the surface, sleep that never restores, a body that feels inflamed, unpredictable, or simply not their own. What they carry is not just illness — it is confusion. A sense that something is being missed.

Functional medicine begins in that space. It does not start with a diagnosis. It starts with a question: Why is this happening?

Rather than isolating symptoms, functional medicine looks at the body as an interconnected system. The brain is not separate from the gut, or the immune system, or hormones, or metabolism. It is shaped by all of them. When one system is out of balance, others follow.

What appears as anxiety may be driven by inflammation. What looks like depression may be connected to blood sugar instability, microbiome disruption, or nutrient depletion. The body speaks in symptoms, but those symptoms are often the final expression of something deeper.

Functional medicine is the practice of listening for that deeper story.

And often, that story has been fragmented.

Patients come to us having seen multiple specialists — each focused on a single organ system, each offering a piece of the puzzle, but no one stepping back to see the whole picture. The dermatologist is looking at the skin. The gastroenterologist is focused on procedures. The endocrinologist is tracking lab values. They are all doing important work — but they are not always speaking to one another.

I remember a couple who came in with their three-year-old son. They had one simple question: Why are his iron and ferritin levels chronically low?

They had already been given iron supplements. More than once.

But they weren't looking for another prescription. They were looking for an answer that made sense.

At the same time, their son had persistent rashes on his skin. No one had connected the two. No one had asked whether the gut, the immune system, and nutrient absorption might be part of the same story.

They were left with pieces — but no explanation.

This is where our work becomes different.

We connect the dots between systems. We ask how the gut is influencing the immune response, how inflammation is affecting nutrient absorption, how seemingly unrelated symptoms may, in fact, be deeply related. We have the freedom of time to listen carefully, to gather data thoughtfully, and to step into the role of detectives — piecing together the full story.

Achina Stein DO, IFMCP is an internationally known functional medicine psychiatrist, the owner of Functional Mind LLC in Providence, RI, podcaster, and the author of What If It's NOT Depression?: Your Guide To Finding Answers and Solutions.