Wednesday, October 27, 2010

Why Women Live Longer than Men






The war of the sexes takes a new and rather a controversial turn as scientists came up with a theory to explain why woman live longer than men. And the theory strangely doesn't cover any occupation or strength relevant aspect, but a rather strange fact; men are more biologically "disposable".

The Theory
The controversial theory, developed by Professor Tom Kirkwood of the University of Newcastle, Britain, suggests that the female body is better at carrying out routine maintenance and keeping the body's cells alive.

Kirkwood believes there is now growing evidence to suggest that men are more disposable than women, because the cells of their bodies are not genetically programmed to last as long as they are in females, reports the Daily Mail.

The Biology
Many scientists believe that the ageing process is caused by tiny faults throughout our body. As the tiny faults build up, the length of our lives is determined by how quickly our body is able to carry out running repairs.

As the cells miss opportunities to repair themselves, our body gradually degrades until we eventually die, according to the journal American Scientist.

Kirkwood's theory behind why our cells do not mend every tiny problem in our body is that it is built into our DNA.

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