Stress · 7 min · Launch draft
Key takeaways
- Cortisol is part of the stress-response system.
- Psoriasis research includes HPA-axis and salivary cortisol studies.
- SPL should not claim a habit lowers cortisol unless the cited study measured cortisol.
Why cortisol comes up
Cortisol is often called a stress hormone, but that phrase can become too simplistic.
The better SPL framing is stress-response regulation. We care about whether the body can handle pressure without keeping the whole system on high alert.
A PubMed-indexed study on psychological stress and salivary cortisol in plaque psoriasis is one reason cortisol belongs in the discussion.
What we should not say
We should not say a habit reduces cortisol unless the study directly measured cortisol.
We should not say high cortisol causes psoriasis. Psoriasis is more complex than that, and NIAMS describes psoriasis as an immune-mediated condition.
We should say stress biology may be part of the psoriasis picture for some people, and stress tracking is practical.
How this affects the reset
In the workbook, cortisol is not a daily field. That would be too much.
Instead, the daily field is stress 0-10. That gives enough signal without turning the reset into a lab project.
If stress scores are high and skin scores worsen after those periods, you have a personal pattern worth acting on.
Medical disclaimer
Everything here comes from John Redfern's personal experience living with psoriasis for over 30 years, plus linked sources where medical facts are discussed. This is not medical advice. Speak with your doctor or dermatologist before changing medication, supplements, diet, sun exposure, skincare, or mental health treatment.