Hypermobility, anxiety, and gut issues show up together more often than most people realize, and your nervous system is the link between them.
Maybe you can bend a thumb back to your wrist, or your knee locks in a way that makes people wince when you show it off. That’s hypermobility, and you’ve probably heard “double-jointed” your whole life, said like it’s a party trick.
Alongside the flexibility, there’s pain that doesn’t fully make sense, gut issues that flare without warning, dizziness when you stand up too fast, and anxiety that feels more physical than emotional. You’ve probably wondered whether your hypermobility, your anxiety, and your gut issues are actually connected, or if you’re just unlucky in five separate ways. (ahem: They’re connected.)
Hypermobility, anxiety, and gut issues all trace back to the same nervous system wiring, and a nervous system managing all three doesn’t respond well to being treated like three separate problems.
Get your nervous system working with you instead of against you, and hypermobility, anxiety, and gut issues start to make sense together.
What causes hypermobility, gut issues, and anxiety
Connective tissue is the material that holds your body together, literally. It’s in your joints, skin, blood vessels, and gut lining. Collagen is its main building block. In some people, genetic differences make that collagen more stretchy and less structurally tight than average.
Both involve genuine, diagnosable impact on daily life, and neither is “just being flexible.” Connective tissue and collagen exist in almost every tissue in your body, which helps explain why symptoms show up far beyond your joints, including gut dysfunction, urinary issues, fatigue, and effects on the central nervous system itself.
That last part is the key. If your connective tissue is looser everywhere, it’s not just your knees that are affected. It can affect other systems that depend on tissue holding its shape and structure properly, including the ones that regulate your gut and your stress response.
Science corner: hypermobility, HSD, and hEDS.
When joints move beyond their typical range, that’s called hypermobility. When hypermobility comes with real symptoms, pain, frequent injury, joint instability, fatigue, it’s classified as either Hypermobility Spectrum Disorder, or HSD, or hypermobile Ehlers-Danlos Syndrome, hEDS, which has stricter diagnostic criteria.
Hypermobility, POTS, and MCAS and the overlap
If you’ve also been told you might have POTS, or MCAS, or that your anxiety seems unusually physical, or that you or people in your family are neurodivergent, you’re seeing a real, documented pattern.
One study found that 58.3% of women with hEDS or hypermobility spectrum disorder also had POTS, 32.1% had MCAS, and 25% had all three together. That’s a much higher rate than chance would predict.
The neurodivergence overlap has stronger research behind it. A 2025 review found roughly 31% of autistic people show clinically assessed joint hypermobility. Separately, a survey of nearly 3,400 people with hEDS found 49% self-reported at least one neurodivergent diagnosis, ADHD, autism, or OCD most commonly.
Worth being honest here: some researchers push back on how tightly linked these three conditions really are, arguing the evidence for a single shared mechanism is still incomplete. What’s not in dispute is that the pattern shows up in clinic after clinic, even if science hasn’t fully mapped why yet.
Science corner: shared wiring, not just shared bad luck.
A large cohort study found elevated rates of autism and ADHD not just in people with EDS or hypermobility syndrome, but also in some of their unaffected siblings. That points to shared familial risk, which could include genetics or early environment. . Separately, brain imaging research has found people with joint hypermobility show structural differences in the amygdala, the brain region responsible for detecting threat and reading your body’s internal state. That offers a possible physical link between joint hypermobility and a nervous system that may register threat more readily.
Why hypermobility affects your nervous system
(Psst: Your nervous system is doing extra work)
The part that ties it together: Your autonomic nervous system. This is running in the background controlling heart rate, blood pressure, digestion, and blood vessel tone, has to regulate systems that can also be affected by connective-tissue differences.
Blood vessels are tissue too. When that tissue doesn’t hold its shape as tightly, your nervous system has to work harder to keep blood pressure and circulation steady, especially when you stand up or move, which may be part of why POTS and hEDS travel together so often.
At the same time, if your amygdala is wired toward heightened threat detection, and your body is already sending it more ambiguous, uncomfortable signals to interpret. Add in joint pain, dizziness, gut discomfort, your nervous system has more reasons to stay on alert, and less of a stable baseline to return to.
Your nervous system is doing real, extra work managing a body that sends it louder, less predictable signals than most.
Why relaxation techniques are often not enough for hypermobility anxiety
Standard relaxation advice misses something specific to this body. Many people with hEDS or hypermobility have learned, through actual painful experience, that movement can hurt them. A joint has genuinely slipped or locked before.
That means the nervous system isn’t just generally anxious, it’s specifically guarded around movement and physical sensation. Telling that nervous system to “just relax” without addressing the movement fear underneath doesn’t give it anything to actually do with that instruction.
Real regulation here means slowly teaching your nervous system that movement and body sensation can be safe again, through gentle, controlled, repeated experience, not through force or through avoidance either.
That’s a different task than generic stress relief, and it’s one most wellness content never actually addresses because it assumes the person reading it trusts their own body to begin with.
How to manage hypermobility, anxiety, and gut issues
Your Daily’s gut-brain practices are built to be gentle and consent-paced by design, never pushing your body past what feels safe, because for a nervous system already maxed out, force is the opposite of what helps.
Each day moves through a short somatic practice, a plain-language lesson, a practice to bring it into your real daily life—all in 3 to 8 minutes.
Nothing in it replaces your physical therapy, your POTS management, or your care team. But we can help you calm the alarm, calm the system, calm the gut. Your nervous system has been managing more than most ever have to, let us help create a plan to support you.
SOURCES
- Diagnostic framework for joint hypermobility, HSD, and hEDS: Castori et al., 2017 and Malfait et al., 2017
- GI symptoms and the observed overlap between hEDS/HSD, POTS, and MCAS: AGA Clinical Practice Update, 2025 and Thwaites et al., 2022
- Association between joint hypermobility, neurodivergence, dysautonomia, and pain: Csecs et al., 2022
