Anxiety, depression, stress: how stalkers affect their victims’ mental health and upend their lives – and tips from a psychotherapist on staying safe

• Celebrities have shared stories of stalkers, and the mental anguish caused by these obsessed fans and control freaks. But they are not the only stalking victims
• After a Hong Kong policeman is suspended for following two women to their apartments, a psychotherapist offers advice on how to stay safe from stalkers