4. A few decades ago, HIV would have been a death sentence. Now, people with HIV can live almost as long as they would have without it.
Providing they catch it early and get access to the right medication, people with HIV can expect to have an almost normal lifespan these days.
7. With the extended lifespans given to us by medical science, humans have done some pretty fantastic things.
Like go to the moon, in a spacecraft that has less computing power than a typical phone these days.