warns of the need for preventative care, like frequent checkups, dietary changes, medicines, or even the option of surgically removing the part ilkely to develop the disease.For example, if Thomson's test had been positive, she might have chosen to have her colon
removed.There are also some controversial downsides to genetic testing.The value of genetic testing is particularly questionable when testing for a disease that is untreatable.An has decided to get
genetic testing to see if she is likely to develop it. Her husband Bao is not happy about her choice.A positive test has benefits as well.For example, Alzheimer's disease runs in An Lee's family.Bao explains.It
even death.If the result is positive, how will it help to
know that she will probably