[Hugh R]

Interesting topic. You have to remember that genetic information transfer stops after you quit having babies. Life extending treatments, medicines and devices in later years neither add nor subtract from that transfer. If you quit making babies at say 30 years old, its only the fact that you were able to procreate up to that point that is relevant. So it seems to me that drugs to treat heart disease, cancer in later life, etc. are irrelevant to altering evolution. Medical treatments, diet and what not that allow you to live long enough to procreate will affect evolution.

Although maybe only partly relevant, I notice in former Soviet Bloc countries like Hungary and Czech, that the 20 and 25 year olds (male and female) are a lot taller than people in their 40s-60s. I mean a lot taller. I think improved diet over the last 20/25 years since the fall of the USSR played a role in this.