Two-hundred years ago the average human life was short, brutal, and lasted for just 37 years. In developed countries the standard of living has improved dramatically, and that figure has risen to a much healthier 79 years.
It’s estimated that almost half a million people in the world are now aged 100 or more, and scientists are still divided as to what the theoretical upper limit on a human lifespan might be. Some researchers have even, perhaps rather optimistically, suggested there might not necessarily be an upper limit at all.
The likelihood is that immortality isn’t going to be a practical option, but there are a number of unexpected ways you could potentially add years to your life.