Quote from : How to Grow Glorious Wheatgrass at Home Tutorial - With Salty Sea Mineral Eco-Fertilization for Superior Mineral Rich Soil Book

Both the human immune system and the plant immune system are fundamentally interdependent on the quality and fertility of the soil. Our immune system, and even our physical structure, are a reflection of the foods we have eaten from either toxic and nutrient depleted soils, or wonderfully fertile soils.