Re: 7X01 Asylum Of The Daleks (Grading/Discussion) (SPOILERS!)
Nope... The Doctor has been around nanogenes before, going to the level of playing with them in his hands, and giving them an 'upgrade'... and they didn't affect him in the least...
In Russia, a 122 year old man has passed away, he credited his long life to abtaining from alcohol, tobacco and women. His last words were "I've made a huge mistake."