Gluten sensitivity is one of those health issues that's easy to dismiss—until you realize how much better you feel after eliminating it.

The challenge? Symptoms can be vague, widespread, and easily attributed to other causes. You might blame stress, aging, or just "one of those days" when your body is actually trying to tell you something important.

Here's what you need to know: Gluten sensitivity exists on a spectrum, from mild intolerance to full-blown celiac disease. The signs can show up anywhere in your body—not just your digestive system.

Let's explore the warning signs that might indicate you're sensitive to gluten.

First, What Is Gluten Sensitivity?

Gluten is a protein found in wheat, barley, and rye. For some people, consuming gluten triggers an immune response that can affect multiple systems in the body.

The spectrum includes:

Celiac disease – An autoimmune disorder where gluten damages the small intestine (affects about 1% of the population)
Non-celiac gluten sensitivity – Symptoms similar to celiac but without intestinal damage (may affect up to 6% of the population)
Wheat allergy – An allergic reaction to wheat proteins (different from gluten sensitivity)

If you suspect gluten sensitivity, it's important to get properly tested before eliminating gluten, as testing requires you to be consuming gluten.