http://en.wikipedia.org/wiki/Retrovirus#Gene_therapy http://en.wikipedia.org/wiki/Retrovirus#Gene_therapy "modern medicine" isn't perfect, it's good and gettin

http://en.wikipedia.org/wiki/Retrovirus#Gene_therapy http://en.wikipedia.org/wiki/Retrovirus#Gene_therapy "modern medicine" isn't perfect, it's good and getting better every day, but we have a long way to go. Plus, we don't know for sure what modifying our DNA does. It might affect certain things, but it might also have unknown consequences. There is a ton of trial and error in science, and you don't want to have too many errors in your body, else it leads to cancer and other horrible things. Lots of mice have given their lives to ensure that we and our children live awesome healthy lives. Thank you lab-rats (and other animals), you have suffered for our benefit (though you didn't have much of a choice). Also, it's really really difficult and really tiny, https://www.youtube.com/watch?v=TfYf_rPWUdY https://www.youtube.com/watch?v=TfYf_rPWUdY but there are several teams working on it and many other approaches.