Women may live longer the more children they have

THE more children a woman has, the longer she can expect to live, all other things being equal, a study suggests.

Scientists in Canada have shown that biological ageing is slowed by having multiple children, as reflected in longer telomeres, a marker of cellular ageing.

The researchers prospectively evaluated telomere length over 13 years among a group of 75 indigenous Mayan women in Guatemala.

The cohort was chosen because the women have stable, homogenous lifestyles and a high birth rate, bearing five or six