Explore the vast range of titles available.

I read with great interest the Perspectives piece by Philip Ball (June 3, p 2182),1 who reported on the Science and Suffering exhibition at the Wiener Library for the Study of the Holocaust and Genocide in London. He rightly highlighted the goal of discovering the names and life stories of victims of the Nazi-era medical experiments. He stated that some of their 15 000-perhaps as many as 27 000-names are projected onto the library's wall.

My main concern is that genomic personalised and precision medicine, which Dzau and colleagues inserted into their economic simulation model, is not evidence based but is still hypothetical in terms of prediction for common multifactorial diseases. Indeed, using mathematical modelling on the basis of twin studies, Roberts and colleagues2 concluded that whole-genome sequencing, while alerting to a predisposition to at least one disease, did not predict risk of most of 24 common diseases (including type 2 diabetes, cancers, stroke, and coronary heart diseases).2,3

This lesson in medical humanism has accompanied me to the autumn of my life. Supposedly knowledgeable about the medicine of man, I learnt from Martin that until we have seen something of another person's soul, we never know the true sound, true colour, or true nature of things. That's all I know. But I know that.