May 16, 2011
A blood test that can show how fast someone is ageing – and offers the tantalising possibility of estimating how long they have left to live – is to go on sale to the general public in Britain later this year.
The controversial test measures vital structures on the tips of a person’s chromosomes, called telomeres, which scientists believe are one of the most important and accurate indicators of the speed at which a person is ageing.
Scientists behind the €500 (£435) test said it will be possible to tell whether a person’s “biological age”, as measured by the length of their telomeres, is older or younger than their actual chronological age.
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