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Brain Health

The Autonomic Nervous System

Ever wonder why your heart beats, you breathe, or your food digests without you even thinking about it? That's your Autonomic Nervous System (ANS) at work! It's like the body's autopilot, managing all your essential "automatic" functions.

But after a brain injury, this autopilot can get a bit wonky. When that happens, it's called dysautonomia or ANS dysfunction.

What Happens When Your Autopilot is Off?

Because your ANS controls so much, its dysfunction can cause a confusing mix of symptoms, like:

Feeling dizzy or faint, especially when standing up (a common one called POTS).
Heart racing for no reason.
Blood pressure going up and down unexpectedly.
Extreme tiredness that won't go away.
Digestion issues (like nausea, bloating, constipation).
Feeling too hot or too cold or having trouble with body temperature.
Trouble sleeping.
"Brain fog" – feeling mentally slow or forgetful.
Anxiety or panic attacks.

It's frustrating because these symptoms aren't always obviously linked to the brain injury, making it hard to figure out what's going on.

Getting Your Autopilot Back on Track

The good news? You can help retrain your ANS! It takes time and effort, often with help from doctors and therapists. Here are some key strategies:

1. Exercise, Slowly But Surely:

POTS Protocols (like Levine & CHOP): These are special exercise plans for people with POTS. They start with exercises you do lying down (like biking on your back or rowing) and slowly add more upright activities. The goal is to gradually strengthen your heart and improve how your body handles standing up, without making symptoms worse. Always do this under medical guidance!

2. Simple Lifestyle Changes:

Drink Up! Stay well-hydrated. Electrolyte drinks can help too.
More Salt (if advised): For many with POTS, a bit more salt can help your body hold onto fluids (check with your doctor!).
Eat Smart: Smaller, more frequent meals can keep your body stable. Focus on healthy, whole foods.
Watch the Heat: Overheating can make symptoms worse, so be mindful of hot showers or too much sun.
Wear Compression: Special socks or tights can help keep blood from pooling in your legs.
Elevate Your Bed: Raising the head of your bed a few inches can help with morning dizziness.

3. Prioritize Sleep:

Routine is Key: Go to bed and wake up at the same time every day.
Good Sleep Space: Make your bedroom dark, quiet, and cool.

4. Calm Your Nerves:

Relaxation Techniques: Deep breathing, meditation, or gentle yoga can help soothe your nervous system.
Mind-Body Connection: Simple things like gargling, singing, or splashing cold water on your face can stimulate the vagus nerve, which helps regulate your ANS.

5. Manage Your Energy:

Pacing: After a brain injury, fatigue is real. Don't push too hard. Break tasks into smaller bits and take breaks often.
Set a Routine: Daily routines can provide comfort and structure when your body feels unpredictable.

6. Get the Right Help:

See doctors and therapists who understand brain injury and dysautonomia. They can offer specific treatments, therapies (like vision or balance therapy), and sometimes medication if needed.