Longevity science

Catch 22: Sometimes, it may seem like healthcare practitioners want to move patients along quickly and only scratch the surface of their personal needs.

(Have you ever felt that way about your doctor?)

Patients must be their own advocates and keep notes on their care, conditions and testing to ensure they get what they need. Throw dietary supplements into the mix and forget it—most traditional practitioners won’t even discuss them.

But when the patients take matters into their own hands-or smartphones- many doctors are skeptical.

So… does the doctor want the full responsibility or not?

Check out the BBC's interactive guide to some of the latest developments in bionic body parts...

The Bionic Bodies series on the BBC News website will be looking at how bionics can transform people's lives. We will meet a woman deciding whether to have her hand cut off for a bionic replacement and analyse the potential to take the technology even further, enhancing the body to superhuman levels. The series continues on Wednesday with a look at some of the earliest prosthetics from ancient Egypt.