What Is the Biopsychosocial Approach to Therapy?

Looking Beyond the Problem You Walked In With

Someone might come into therapy and say, “I’m stressed.”

That is often where the conversation starts, but stress rarely exists on its own. As a therapist, I tend to become curious about how that stress is actually showing up. Is it affecting your sleep, your body, your concentration, your relationships, or your motivation? What are you already doing to cope? Have other people noticed that something seems different? When was another time you felt this way?

Those questions help us slow things down and look at the bigger picture.

This is one of the reasons I value the biopsychosocial approach, or BPS approach, in therapy. The BPS framework considers biological, psychological, and social influences together and recognizes that these areas interact with one another rather than operating independently (Pinel & Barnes, 2021; Tramonti et al., 2021). Looking at all three can help us understand why a challenge that seems simple on the surface may feel much more complicated underneath.

One Problem Can Have Many Layers

Imagine someone comes into therapy because work has become overwhelming.

At first, it might seem like the main issue is simply work stress. When we look more closely, though, there may be several things contributing to how difficult work currently feels. Maybe you are not connecting with your coworkers and have started worrying that people perceive you negatively. Maybe thoughts such as, “I don’t fit in here” or “I’m not good enough at my job” have started showing up more often.

At the same time, perhaps you have been dealing with chronic pain and have barely slept for the last week. You are physically exhausted, emotionally overwhelmed, and finding it much harder to tolerate stress than you normally would.

Now we are not only talking about work.

We are talking about physical well-being, thoughts and emotions, relationships, social safety, sleep, and the way all of those pieces influence your capacity to cope.

Research on the biopsychosocial framework emphasizes that focusing too heavily on one area of someone’s experience can miss the nonlinear way biological, psychological, and social factors affect one another (Tramonti et al., 2021). This is why I am usually less interested in finding one single explanation and more interested in understanding how the different pieces fit together.

Therapy Is Not About Someone Else Fixing You

One of my favourite moments in therapy is when a client begins making these connections for themselves.

Maybe they come in thinking, “I’m just bad at coping,” and eventually recognize that they have been sleeping poorly, feeling disconnected from others, putting significant pressure on themselves, and carrying much more stress than they initially realized.

That kind of self-reflection matters.

I do not view therapy as a process where the therapist is the person who fixes the client. My role is to ask questions, offer perspective, notice patterns, and help create space for the client to understand their own experience differently. Ultimately, you are the expert on your own life.

The BPS framework also places importance on understanding someone’s lived experience and the way their biological, psychological, and social well-being influences their perceptions and responses (Slay-Westbrook, 2017). That means therapy should be curious about your experience rather than deciding ahead of time what your experience is supposed to mean.

Over time, the goal is not for every connection to require a therapist to point it out. Ideally, you begin noticing those patterns outside of therapy too. You may start recognizing how a stressful interaction affects your thoughts, how those thoughts influence your emotions, or how poor sleep changes your ability to manage something that would normally feel easier.

Those moments of awareness can create more choice.

Looking At The Whole Picture

If I had to explain the biopsychosocial approach simply, I would say that things do not happen independently.

Our physical health, thoughts and emotions, relationships, environment, and experiences can all influence how we feel and how we respond to what is happening around us. Sometimes it takes slowing down to understand what those factors are and how they are affecting one another.

That does not mean every problem needs to be analyzed endlessly. Sometimes there is a practical issue that needs a practical solution. The BPS approach simply reminds us not to assume that what we see first is always the whole story.

Sometimes “I’m stressed at work” really is about work.

Sometimes it is also about sleep, pain, self-worth, relationships, belonging, and exhaustion.

Therapy can help us figure out the difference.

References & Further Reading

Pinel, J. P. J., & Barnes, S. J. (2021). Biopsychology (11th ed.). Pearson Education.

Slay-Westbrook, S. (2017). Respect-focused therapy: Honoring clients through the therapeutic relationship and process. Routledge.

Tramonti, F., Giorgi, F., & Fanali, A. (2021). Systems thinking and the biopsychosocial approach: A multilevel framework for patient-centred care. Systems Research & Behavioral Science, 38(2), 215–230.

— Kassandra Smalley, Registered Psychotherapist

Date: October 15, 2026

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