Ref: https://www.medscape.com/viewarticle/908161?nlid=127396_2201&src=WNL_mdplsnews_190125_mscpedit_honc&uac=104521MY&spon=7&impID=1868713&faf=1
Medscape
" A review of the evidence for use of aspirin in primary prevention was last looked at 5 or 6 years ago but now we have additional data from three new trials published last year — ARRIVE in people at higher CV risk, ASCEND in people with diabetes, and ASPREE in older individuals,"
These trials did not find compelling evidence for using aspirin for primary prevention.