A study in the US has found that smoking increases the risk of breast cancer in older women by almost 20%.
The study adds to a growing weight of evidence linking exposure to tobacco smoke and deadly disease.
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Two suicide bombs in a crowded market place in the north-western city of Parachinar have left 40 people dead and a further 12 injured.
Expect cloudy conditions with some light rain on Saturday morning before brighter spells develop later in the southeast.
More than 140 people are missing and feared to have been buried under debris following a landslide in China.