If up to 20 per cent of us really do score highly on traits related to psychopathy, we are going to need all the help offered by a compelling new book. Start by admitting your own dark traits, finds Sally Adee
How can we spot if someone is lying to us? There are no easy tells
Margarita Young/Alamy
Poisonous PeopleLeanne ten BrinkeSimon & Schuster
It seems only fitting that a book about dark persona… [+8244 chars]
