Having a good sob is reputed to be good for you. So is laughter, which has been shown to help heal bodies, as well as broken hearts.

A therapist is there to offer a supportive, safe environment in which you can deal with your problems. But there are certain limits to what you can expect from your therapist.

While this may not sound like a psychological disorder, the problem can bankrupt families and destroy relationships. And some compulsive shoppers are driven to suicide.

Are you prone to hangovers? Drinking more alcohol than your body can handle - not consuming cheap booze or "mixed" drinks - is what leads to a hangover.

Most people know when they need to see a doctor for a physical ailment. But many don't know when the help of a psychologist might make a difference.

Do you worry excessively about being dirty, or that something terrible might happen to you, or whether you've switched off the stove?

You’re lying awake – again – worrying about that stomach ache you get every few weeks.