Hello and welcome to ask a doctor service. I reviewed your query and here is my answer. In your case it is advisable to take aspirin to prevent stroke and other cardiovascular event. but you didn t mentioned why your wife is taking these? Is she also a cardiac patient or have stroke or any other thing for which it can be indicated? If she is having good health and no problem in her heart, then she shouldn t take this. It is not advisable for her. She should stop taking it as it has got side effects as wells. Hope i answered your question. Feel free to ask more if you need further assistance. Thanks.