How to Reboot Your Immune System to Stop Allergies, Arthritis, Gut Issues | Jeffrey Bland PhD

Everyday symptoms – skin rashes, joint pain, digestive issues – may seem isolated. But what if they’re all connected?

In this episode of Vital Signs, Dr. Jeffrey Bland – often called the father of functional medicine – argues that these common complaints may all trace back to one central system: the gut.

“About 70% of our immune system is clustered around the gut,” Bland explains, describing it as a critical interface between what we eat and how our body responds. When that system is disrupted– by ultra-processed foods, hidden additives like sulfites and MSG, or even overuse of antibiotics – it can trigger inflammation that doesn’t stay contained. Instead, it shows up as brain fog, fatigue, skin conditions, or chronic joint pain.

The conversation highlights the foundational precept of functional medicine: understanding symptoms rather than merely suppressing them: “Our body will give us signs,” Bland says. “The question is—do we treat the cause, or just the effect?”

He outlines a practical “4R” approach to restoring gut health—removing triggers, replacing digestive support, reinoculating beneficial bacteria, and repairing the gut lining—and shares a striking case of a patient who went from being unable to stand to hiking a mountain within a year.

Bland is founder and president of the Personalized Lifestyle Medicine Institute (PLMI).

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 RelatedReferenced studies/reports:

Introducing peanut in infancy prevents peanut allergy into adolescence | National Institutes of Health (NIH)

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Vital Signs’ host, guests, and contributors offer general information on improving health and wellness. This is not intended as diagnosis or medical advice. You should consult your medical doctor or holistic doctor before enacting any suggested strategies for health and wellness improvement, including those in relation to preventing or treating specific diseases featured on this program. 

Views expressed in this video are opinions of the host and guests, and do not necessarily reflect the views of The Epoch Times.