Beginning of Essay
No one is immune to , yet not everyone is equally susceptible. are not merely a medical problem. They have profound effects on the social and psychological well being of their family and friends. In the normal course of fetal development, cells migrate to their ....

Middle of Essay
.... foreheads, hearing loss, dental problems, poor speech development, heart disease and intestinal problems where surgery is required. Parents feel very helpless and guilty in many of these and similar situations, feeling as if they are abnormal. However most can learn to walk, talk, dress themselves and eat. Special work programs are available that can help the child reach their education level. Also these work programs help takes off the many stresses facing parents. They no longer have to go it alone. Tay Sachs disease is another selective genetic disorder that destroyed nerve cells. This causes mental retardation, loss of muscle contro ....