Table 3.

Examples of types of enhancement.

Theme	Example	Year
Appearance	Would you have gene therapy if it really could make you look 18 again?	2007
Lifespan	A genetic researcher stated that […] gene therapy will drastically increase human life spans. Assume he is correct, how would life change?	2007
Superhuman	With today’s advances in gene therapy, can people ever expect to have wings?	2006
Strength and fitness	Is there a gene therapy that can make you run faster?	2010
Intelligence	In the future, will it be possible to make humans more intelligent...? With gene therapy? I’ve heard about this, they’re already thinking about trying it with mentally retarded children, and in the future they may well be able to do it with adults as well.	2007
Unspecified	Now that we are in the age of gene therapy and genetic engineering, would you gene boost yourself?	2007