Forget the Himalayan Salt Lamp — Just Get a Plant

The latest research on negative air ions and mental health

Tessa Love
Elemental

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Photo: bea8476/Getty Images

II recently rented a house in Northern New Mexico and had my first real-life encounter with what has become a ubiquitous symbol for wellness: a Himalayan salt lamp.

Essentially a hunk of hollowed-out salt crystal with a light bulb stuffed inside, salt lamps became all the rage amid rumors that their “healing powers” are capable of healthifying a home through purifying the air and raising energy levels.

When I turned the lamp on, it did indeed cast a warm glow that set a calming mood. But aside from creating an ambiance, I wondered, could this pink salt really do wonders for my health?

TThe health claims of Himalayan salt lamps originate from a 100-year-old theory that the air is filled with tiny doses of mental health boosters called negative air ions.

Air ions are invisible molecules that are either positively or negatively charged; positive ions have lost electrons while negative ions have gained them. The processes that create negative ions are abundant in nature and usually involve collisions of matter. This includes ultraviolet rays from the sun, discharges of electricity in the air after a thunderclap or lightning strike, water colliding (like a waterfall or…

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