“Scientists have developed a blood test to estimate how quickly someone is ageing. They believe it could be used to predict a person’s risk of developing Alzheimer’s disease as well as the “youthfulness” of donated organs for transplant operations.
The test measures the vitality of certain genes which the researchers believe is an accurate indication of a person’s “biological age”, which may be younger or older than their actual chronological age.”
Read more at www.independent.co.uk