None other than the very main street “Economist” publication weighs in on the topic of healthy living, longevity, aging and caloric restriction diet. A good article discussing approaches and challenges ahead.

Improvements in medicine and welfare mean that there are many more people in their 90s and 100s round the world today than there used to be. The number of people in their 130s, though, remains stubbornly at zero.

To do something about this means not just slowing ageing but stopping or reversing it, either by causing bits of the body to rejuvenate themselves or by removing and replacing them. This is where stem cells come in. They play an important role in the repair and regeneration of tissue; they can be induced to differentiate into a range of specialised cells, and thus to replace cells that are worn out or used up. Regenerative therapies seek to supplement this repair using stems cells from elsewhere.

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