Anxiety, Nature and Herbs: What Has Actually Helped

Anxiety is not the same as fear. Fear has an object. You're afraid of the dog, of the meeting, of the diagnosis. Anxiety is a kind of diffuse fear — a feeling of threat without a clear source, a vigilance that runs in the background like an open application draining the battery.

In Portugal, anxiety affects more than 16% of the population. Across Europe, the numbers are similar. It's one of the most common experiences of our time — and one of the least well understood, partly because it expresses itself so differently in different people.

What I know from years of working with the body, with plants, with people in retreat, is this: anxiety is not a character flaw. It's information. Usually, it's the body telling the mind something that the mind has been too busy to hear.

What anxiety actually does in the body

Anxiety is essentially the autonomic nervous system in a state of sustained alert. The body has read something in the environment — internal or external — as a potential threat, and has prepared itself to respond. Heart rate increases. Muscles tense. Digestion slows. The thinking mind narrows toward the perceived danger.

This response is useful when the threat is real and immediate. It becomes a problem when the nervous system gets stuck in that state — when the threat that triggered it was something like a presentation, a relationship, a business, a decade of accumulated pressure — and the body doesn't know how to switch off the alarm.

The symptoms are familiar: fatigue, irritability, sleeplessness, muscle pain, palpitations, poor concentration, headaches, a general sense of dissatisfaction with life. And a feeling, underneath all of it, that something is profoundly wrong — even when, rationally, nothing is.

What the seasons have to do with it

This is something Ayurvedic medicine has known for thousands of years: anxiety tends to worsen in autumn. The change of season — the shortening days, the shift in temperature, the quality of wind and dryness in the air — corresponds to an increase in what Ayurveda calls Vata energy: light, mobile, cold, irregular. When Vata rises in the environment, it rises in us too, and for those already inclined toward anxiety, the autumn can bring it closer to the surface.

This is not mysticism — it's a description of something many people notice. The beginning of October feels different from July. The body responds to seasonal change in measurable ways. And knowing this is useful: it means anxiety isn't always something you caused, or something you can think your way out of. Sometimes it's a seasonal response that needs a seasonal remedy.

What the plants say

Herbalism has been working with anxiety — or what it would have called nervous agitation, disturbed spirits, restless mind — for as long as humans have used plants. Here are the ones I return to most:

These are not replacements for medical care when that's what's needed. They are what they are: plants that have a long relationship with human nervous systems, used wisely and in the right context.

What routines do

One of the most underestimated interventions for anxiety is rhythm. The anxious nervous system is, in part, a nervous system that doesn't know what comes next. Unpredictability is experienced as danger. Routine — regular sleep and wake times, consistent mealtimes, movement that happens at the same time each day — gives the nervous system something to hold onto. It sends a message: things are predictable here. You can relax.

This is one of the reasons that retreats often work for anxiety, even when nothing else has. Four days with a clear rhythm — morning movement, intentional meals, time in nature, structured rest — gives the nervous system a chance to genuinely regulate. And in many cases, what regulates during a retreat doesn't entirely unregulate when you return. You carry something of the rhythm back with you.

What the breath does

The breath is the one part of the autonomic nervous system over which we have conscious control. And that makes it, when used intentionally, one of the most powerful tools available for anxiety.

Research on breathwork — from traditional pranayama to Wim Hof's method to modern clinical applications — consistently shows that controlled breathing directly influences heart rate variability, cortisol levels, and the activation of the parasympathetic nervous system. You breathe consciously, and the body reads it as a signal: the threat has passed. You can come back now.

Slow, deep exhalations. A longer out-breath than in-breath. These are the technical details. The practice is simply: stop, breathe, and let the body do what it already knows how to do.

The Arrábida landscape — where nervous systems tend to find their ground.

What nature does

There is now substantial research on what is called "attention restoration theory" — the idea that natural environments allow the directed attention required by modern life to rest and recover. Spending time in nature doesn't just feel good. It measurably reduces cortisol, lowers blood pressure, improves cognitive function, and reduces the rumination that drives anxiety.

You don't need to walk in wild mountains for this to work. Even a tree-lined street is better than no trees at all. But the more genuinely wild the landscape, the deeper the effect. Which is, partly, why the Arrábida — ancient, protected, largely untouched — does what it does to people who spend time there.

A word about the friend I wrote this for

Four years ago, when I first drafted this, she was in the hardest phase of building something she loved. The anxiety she carried then was real — exhausting, full of sleepless nights and self-doubt. But she kept going. She found her rhythm. She learned to listen to what the anxiety was telling her, rather than fighting it.

Today, her project is thriving. She and her husband work together. They travel, they've grown their family, they've moved into a home they love. The anxiety of that chapter passed — not because she pushed through it, but because she paid attention to it.

That's the thing about anxiety. It doesn't always need to be fought. Sometimes it needs to be heard. And when we hear it — when we slow down enough to ask what it's trying to tell us — what it usually says is: something here needs to change.

With love,
Catarina