Willerson's research spanned decades and included topics such as unstable atherosclerotic plaques and human stem cells. He is remembered for his passion and the impact he made on those around him.
Overall, the team behind the study noted a survival rate of 82.1% after 15 years.
It also takes longer for stroke patients to fully recover when they have COVID-19.
Prior use of ACE inhibitors or ARBs, however, was not associated with the same changes.
This is believed to be the first randomized clinical trial focused on treating AAAs with an angiotensin receptor blocker.
The study, published in Stroke, focused on data from more than 16,000 pairs of twins born from 1958 to 1974.
The original social media post quickly went viral but was soon deleted.