https://www.medpagetoday.com/opinion/skeptical-cardiologist/81061

With the advent of the newer oral anticoagulants (NOACs) in the last decade that offer better stroke reduction and less bleeding than warfarin, patient-physician discussions should be about taking a NOAC or not. Aspirin should not be considered as a lower-risk/effective alternative as its benefits are minimal and bleeding risks similar to NOACs.