For anyone interested theres a ton of projects expected to have big results witihin the next 10 years, 2 off the top of my head are one where they are working on reversing aging in mice then to humans and another, a russian Billionaire has hundreds working on transferring a human brain in to robot body, crazy but true.
Anyone interested in big things comming (some if these come gradually and look like a "usual stuff", like a cell phone does look to us now, some hit with a bang and it's all different from then on, like internet.. Many ppl doesn't realize what some of these "hits" will be.. may very well transform the humanity as we know.): SENS (Aubrey De Grey), the manhattan project, Ray Kurzweil (u can watch a movie "Transcedent man", or "To age or not to age", some of Michio Kaku stuff.. Plenty more, but these are good for a start.
It's funny how most of the society are so indulged in NOW that thay aren't even remotely aware of big things like these evolving right under their noses.
These who are 20-30 now, can reasonably expect to be in a physical-biological shape of a current healthy 40yo, when they'll hit 60, 30 years later. So do will life expectancy increase (and not at a cost of a poor health like it's thought often. The actual health-span gains will be an actual cullprit.).
Now, other technologies.. I personally believe cancer won't be a bigger issue than a regular flu is right now, after like 10years fro now, well 15 at the worst case scenario, so most of you who'll manage to survive won't really face cancer as a "deadly dissease" like it is now. It will be a "common cold" (people still die from flu, but you aren't reevaluating your life choices when you are diagnosed with one, eh?).
The real obstacle and target is aging. It's a main "dissease", that triggers MOST of well known disseases of "old age" (they are called so on purpose). Cancer too actually, as getting cancer at a young age, if healthy and no genome fuck ups is pretty rare, due to a young immune system that gets rid of cancer cells immediately. When the global tides will turn towards a real war on aging (rather than on it's consequences) the world will be very very different place than it is now (well at least for some people.. as just like now, when some are still dieing from starvation, some are living in abundance, so you;ll have to have some decent money to have your stem cell pools "refilled", telomeres "reset", maybe some organs replaces, intracellular junk cleaned, some epigenetic patterns restored/chromatin strcutures of your DNA rearranged, etc..)..
Educate yourself, don't be a person of "inertia" like many are and you may realize that world is changing on a fast pace, a lot faster than many imagine.