What Is a Chronic Illness?

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Chronic illness requires flexible coping with stressors.

Coping can be seen as effective information processing.

Coping is a dynamic process requiring identifying and prioritizing informational signals.

The singer/songwriter Ani DiFranco has a song lyric that reads: “Buildings and bridges/Are made to bend in the wind/To withstand the world/That’s what it takes.” I’ve always liked this lyric, as it reminds me that flexibility rather than brute force is essential in coping with challenges. This month’s post will analyze that flexibility as foundational to coping with chronic illness. A new research article titled "Stress-coping-adaptation trilogy in chronic illness management: A new perspective from the granular interaction thinking theory" (Sari & Nguyen, 2026) does a great job of digging into the nuts and bolts of flexible coping. I will present its findings here.

Chronic illness stress

Sari and Nguyen describe stress as “informational entropy.” That is, stress generates signals received by our mind. These signals originate from both inside (e.g., body symptoms, emotions, memories) and outside (e.g., medical advice, family support, social messaging).

Let’s illustrate this with a fictional example: Amelia lives with an autoimmune disorder. She breaks out in a rash on her torso. Some of the many signals hitting her mind include the following:

“This itches and burns.”

“This looks terrible.”

“Did my medication cause this?”

“What will I do if I have to switch medications?”

“I remember when I broke out in a rash six years ago from a medication reaction. That was so painful!”

“I am feeling fragile and angry. I hate that I cannot rely on my........

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