CHICAGO — The human genetic instruction book is as lousy at predicting disease as an almanac is at predicting the weather, a prominent cancer researcher concludes from an analysis of the genetic data from thousands of pairs of identical twins.
A technological revolution has made deciphering genetic instruction books, called genomes, quicker and cheaper than ever before. Many scientists have touted the genome as a crystal ball for peering into people’s medical futures. But Bert Vogelstein of Johns Hopkins University School of Medicine wondered just how informative knowing a person’s genetic makeup could be.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.