21.   Most gene therapy experiments, in which genes are inserted into the body to correct inherited diseases or treat cancer, have failed to show much effect.

22.   Nathan predicts that after another decade of hard work, gene transfer therapy will be available to cure inherited diseases like thalassemia.

23.   New instruments will help turn genetic discoveries into diagnostic tests and cures for everything from pneumonia to inherited diseases.

24.   People with this inherited disease suffer painful and crippling bleeding episodes throughout their lives.

25.   PKU is an inherited disease that prevents those who have it from metabolizing phenylalanine, a naturally occurring amino acid.

26.   Scientists believe schizophrenia is an inherited disease.

27.   Sickle cell anemia often is cited as an example of a genetically inherited disease that is more common among, although not exclusive to, blacks.

28.   Sickle cell is an inherited disease which strikes mostly black people and can be fatal.

29.   Some inherited diseases, including Gaucher, are caused by the lack of a naturally occurring body enzyme, and can lead to disfigurement and death.

30.   Stem cells, sometimes called the building blocks of life, have proven effective in helping a child born with an inherited disease.