Advances in genetic testing can help predict your chances of getting anything from cancer to heart disease. But is it a good idea to know your fate? Jane Feinmann reports.

I’ve got my father’s eyes, my mother’s chin and an annoying kink in my hair that I recognise in a picture of my grandmother. But it’s not just looks that get passed on: our susceptibility to disease is also inherited.

Largely ignored in this country, family health history is something of a national obsession in the US. Geneticists at Wisconsin University recently announced that they can create individualised genetic printouts that will be on sale for less than $100 within three years.

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