In addition to aspirin not being effective in preventing strokes (WDDTY vol 16 no 6), there is the unknown number of patients who suffer serious or fatal side-effects that go unrecorded. Some years ago, a survey reported in the Pharmaceutical Journal found that only 6.3 per cent of adverse drug reactions were reported by doctors.
In any good medical textbook and the British National Formulary, by the British Medical Association & The Royal Pharmaceutical Society of Great Britain, which doctors in the UK prescribe from, aspirin is documented to have effects on platelet function and thrombocytopenia, which can lead to injury or death by bleeding into a vital organ like the brain. – Edward Priestly, France