And he said, an illness of the central nervous system that degrades, or mutates, or changes, or modifies the nerve cells in such a way that they stop producing dopamine. And then Elena learned that when her brain orders her feet to move, for example, the order only reaches her feet if the dopamine takes it there. Like a messenger, she thought that day. So Parkinson’s is Herself and dopamine is the messenger. And her brain is nothing, she thinks, because her feet don’t listen to it. Like a dethroned king who doesn’t realise he’s not in charge anymore.

