Some theories connect this rituals you have mentioned to "normal" and socially- acceptable ways to express "anormal" emotions, such as sexual and violent tendencies. The religious approval for a behavior, for example, can give a rise to the inner impulses of the single person.
The rituals sometimes serve other needs, such as social needs and emotional needs.
חסימות כלי דם
חסימות כלי דם ברגלים
העלמת ורידים בולטים
