We / might / have / more specialist hospitals.
We might have more specialist hospitals.
People / work / for much longer.
People will work for much longer.
I / doubt / we / live / healthier lives.
I doubt we will live healthier lives.
Scientists / could / grow / new body parts.
Scientists could grow new body parts.
I / sure / people / live / until they are 150 years old.
I’m sure people will live until they are 150 years old.
Children / may / learn / how to treat their own illnesses.
Children may learn how to treat their own illnesses.
We / probably / find / a cure for AIDS.
We will probably find a cure for AIDS.
Doctors / definitely / use / more technology.
Doctors will definitely use more technology.