nt national limits on therapeutic cloning and put a clear ban on the technology's use in fertility clinics, said Johns Hopkins University bioethicist Jeffrey Kahn. Researchers are also likely to step up their demand for donated eggs so they can conduct similar experiments. That lends urgency to the need for st

e age of 18." But, "scientists believe the illness is generally not as debilitating in younger patients because they have stronger immune systems." Jeffrey Kahn, Professor of Pediatrics, UT Southwestern, said: "The public health data is quite compelling, that children can get infected and even have mild syst

e age of 18." But, "scientists believe the illness is generally not as debilitating in younger patients because they have stronger immune systems." Jeffrey Kahn, Professor of Pediatrics, UT Southwestern, said: "The public health data is quite compelling, that children can get infected and even have mild sys

e age of 18." But, "scientists believe the illness is generally not as debilitating in younger patients because they have stronger immune systems." Jeffrey Kahn, Professor of Pediatrics, UT Southwestern, said: "The public health data is quite compelling, that children can get infected and even have mild sys