Can Sour Help Shift Anxiety and Risk-Avoidance?

What if something as simple as a sour taste could briefly shift the way we respond to uncertainty?

Our senses are constantly communicating with our brains. Taste, smell, touch, sound, and sight can all influence our attention, emotions, and physiological responses.

One particularly interesting area of research looks at the relationship between sour taste and risk-taking.

What Does Sour Have to Do With Risk?

A 2018 study published in Scientific Reports explored whether different basic tastes—sweet, bitter, sour, salty, and umami—could influence risk-taking behavior.

Across three experiments involving participants in the United Kingdom and Vietnam, researchers found that participants who received a sour taste showed more risk-taking behavior on a computerized Balloon Analogue Risk Task than participants receiving other tastes or a neutral stimulus. (PubMed Central (PMC))

That doesn’t mean sour foods make people reckless. The researchers suggested that sour taste might potentially help people who tend to avoid risk become more willing to approach uncertain situations or opportunities. They also discussed possible relevance for people who experience anxiety or depression, but this was a proposed application—not evidence that sour foods treat psychiatric disorders. (PubMed Central (PMC)) And risk-taking doesn’t always mean jumping out of an airplane. For one person, taking a risk might mean trying something completely new. For another, it might mean leaving the house, starting a conversation, applying for a job, attending a class, or saying yes to something they’ve been avoiding. Sometimes growth requires us to step outside of what feels familiar.

Sour as a Sensory Anchor

There is another way sour flavors may be useful during moments of anxiety or overwhelm. A strong sensory experience can give your attention something immediate to focus on. The sharpness of a sour candy, for example, creates a distinct sensation in the mouth. Rather than trying to force anxious thoughts away, you can intentionally notice the flavor, texture, temperature, and physical sensations. This can function as a grounding or distraction technique.

Instead of:

“How do I make this anxiety stop?”

You might practice:

“What can I notice right now?”

The sour flavor becomes an anchor that brings your attention into the present moment. This isn’t a treatment for anxiety, and it doesn’t address the underlying causes of chronic anxiety. But sensory grounding can be one tool among many for navigating a difficult moment.

What About Lemon?

Lemon brings another interesting sensory pathway into the conversation: smell. Research has explored whether lemon essential oil may influence anxiety and stress. One randomized study involving 46 nursing students found that 15 minutes of exposure to lemon essential oil was associated with lower test-anxiety scores compared with the control group. (PubMed) A more recent systematic review also found that the small body of available research on lemon essential oil generally points toward potential anxiety-reducing effects, while noting that the evidence base is limited. (ScienceDirect) So while lemon isn’t a treatment for an anxiety disorder, its scent may be another sensory tool worth exploring.

Your Senses Are Part of Your Experience

We often think of mental and emotional experiences as something that happens entirely inside our heads. But our experience is much more interconnected: taste, smell, breath, movement, touch, temperature, and sound.

All of these sensory experiences can influence where our attention goes and how we experience the present moment. When you’re overwhelmed, sometimes coming back to the senses can be a simple way to reconnect with your body and your surroundings.

Try noticing:

What can I taste?

What can I smell?

What can I feel?

What can I hear?

What can I see?

You don’t have to solve everything in that moment. You can simply come back to where you are.

A Small Practice

The next time you feel overwhelmed, try choosing one strong but comfortable sensory experience.

You might:

● Suck on a sour candy.

● Taste a slice of lemon.

● Smell fresh citrus.

● Hold something cool or textured.

● Take a slow breath and notice the sensation of the air moving through your nose.

● Step outside and notice the temperature against your skin.

Think of these as grounding tools, not cures. And if anxiety, depression, or another mental-health concern is significantly affecting your life, sensory practices can complement—not replace—appropriate professional support. Sometimes the smallest sensory experience can be enough to remind us:

I am here.

I am safe in this moment.

I can take the next step when I’m ready.

Just like a sensory zap of snapping a rubber band on the wrist to deter anxiety, chewing sour candies is a distraction technique. It shifts the brain's attention from sensations of fear, anxiety, and overwhelm to the vivid, assertive flavor in the mouth.