- On a large scale: Health-status indices of United States’ societies are the worst among those established on the basis of social epidemiology data . This raises the question whether the hardships and very difficult social conditions during the 1929 great depression may not have triggered today’s epidemic-like incidence of cardio-vascular and adult-diabetes syndromes in elderly people [12, 13].
- Medical evidence: Already at conception, epigenetic activity can mercilessly convert an ‘environmental experience’ into a functional handicap in the adult. For example, the lack of a single chemical component (which until recently had been left out in artificial fluids used for in vitro fecundations) has been proved responsible for a cardio-vascular handicap in young adults conceived in vitro .
- Firsthand experience: Fifteen years of clinical experience as a primal therapist  have convinced me that patients whose whole lives had literally been poisoned by a nagging sense of inner void – if not by constant, unidentifiable suffering – always come to discover a primal origin of their ill-being. (Incidentally, anyone undertaking primal therapy will find it quite demanding on the long term – albeit gratifying [https://therapyagainstabuse.wordpress.com/] – compared to the attention he’ll dream his parents might have spared for their child, had they themselves been more mature and aware of what was at stake).