Chronic illness can affect anyone

Kerry Hudson: I could have killed my friend for her thoughtless Facebook message
I have tried explaining this to my very well-intentioned, very clever relative who, though he knows I see some of the best consultants in the Scottish NHS, is adamant that if I drink more water, take cold showers and start exercising, I’ll be cured. In a similar category, is a friend who genuinely believes her massage guru can heal cancer with healing touch.