There is good, scientific evidence that skin contact with bare soil (walking barefoot in natural surroundings, gardening without gloves) makes humans happier, and the mechanism is this: there exists a species of bacteria found everywhere on Earth (even Antarctica, apparently) that exudes a compound which, on contact with the skin, triggers the production of endorphins, making is feel happier.
I'm skeptical of the electrical-conductivity related claims in the article, but contact with the Earth being good for us is at least explained/explicable.
There is good, scientific evidence that skin contact with bare soil (walking barefoot in natural surroundings, gardening without gloves) makes humans happier, and the mechanism is this: there exists a species of bacteria found everywhere on Earth (even Antarctica, apparently) that exudes a compound which, on contact with the skin, triggers the production of endorphins, making is feel happier.
I'm skeptical of the electrical-conductivity related claims in the article, but contact with the Earth being good for us is at least explained/explicable.