Siddhartha Mukherjee reflects on his own family's history of mental illness and looks forward to the breakthroughs that will enable us to understand more about the role that genes play in family life.
Learning to 'read' our genetic information was a crucial development, much more dramatic is the growing science of 'writing' the gene. Genetic therapy is still in its infancy, and its early failures still haunt the scientific community.
Siddhartha Mukherjee is a cancer physician and researcher, a stem cell biologist and cancer geneticist. He is also author of The Emperor of All Maladies, a biography of cancer which won the 2011 Pulitzer Prize for general non-fiction, and the Guardian first book award.
He is assistant professor of Medicine at Columbia University.
Written by Siddhartha Mukherjee
Read by Raj Ghatak
Abridged and Produced by Jill Waters
A Waters Company production for BBC Radio 4.