Daily low dose aspirin to prevent blood clots 'may be lethal for some over 75s'

Taking a daily low dose aspirin to prevent blood clots can be disabling or even lethal for people aged 75 and over with a history of heart attacks or strokes, scientists have warned.

The risk of internal bleeding caused by swallowing the blood-thinning pills is far higher in this group of patients than was previously thought, new research shows.