30/09/2026
There’s a reason we keep being drawn back to the sea.
When water crashes, sprays and breaks apart, tiny charged particles are released into the surrounding air. This is one of the reasons negative air ions can be found in higher concentrations around moving water - including waterfalls and breaking surf.
The science is where this gets interesting.
Negative air ions have been studied for their potential effects on mood and the nervous system. Some research has found improvements in depressive symptoms with exposure to high concentrations of negative ions, although the evidence for changes in general mood, anxiety, sleep and wellbeing is much less consistent.
You’ll often see claims that negative ions “increase serotonin”, but we don't actually have good evidence to say that happens in the human brain.
What we *do* know is that being by the sea gives us far more than negative ions.
Natural light.
Movement.
Fresh air.
Rhythmic sound.
A wider visual horizon.
Time away from constant stimulation.
Your nervous system is taking all of that information in.
So perhaps that feeling of being able to breathe a little deeper when you reach the coast isn't down to one magic molecule.
It’s the environment changing the information your body has to respond to.
And I think that's far more interesting.
Have you noticed the shift when you're near moving water?
Hayley x