The biological condition of the soil determines our health.
The human being lives directly off vegetables or indirectly via the animal.
Durable genuine health is now primarily an issue of the diet, in which the condition of the edible vegetables play by far the greatest role, i.e. their biological value.
However, this value, in turn, depends on the condition of the soil in which the vegetable grows. Ultimately, the biological condition of the soil determines our health.