We all know the cause of ill-health: germs and ciruses; and, of course, genetic propensity. To these we should add: the ripening of recent or ancient karma; predatory demons and witches; adverse astrological configurations; the retaliation of earth-gods angered by humans' callous treatment of the environment; spilling milk on the stove. The treatment is also well known: allopathic care, whether Western, Tibetan or Ayurvedic; or the accumulation of merit to ...