Boron, salt of the earth.
I think it's pretty clear to most of us that the Bible is a guide not only to spiritual life, but also to health.
From the wise men bringing frankincense and myhrr, to anointing oils, to washing feet.
Well, boron is essential to our body's ability to synthesize various substances, and we are all deficient in boron, a salt, which is from the earth.
Mark 9:50 - Salt [is] good: but if the salt has lost his saltiness, wherewith will ye season it? Have salt in yourselves, and have peace one with another.