Fiona Ness, Editor's Note

There are many areas in life where we accept that, if we want to improve ourselves, we have to work at it. From learning the guitar to balancing complex equations, cake decorating to weight loss to competing in triathlons, no one ever got anywhere without a bit of application and a spot of elbow grease.

However, living a mentally healthy life is often seen as something outwith our control; that we’re simply born ...