Olfaction and Coronary Heart Disease https://pmc.ncbi.nlm.nih.gov/articles/PMC12576615/ In older adults, poor olfaction assessed by a smell identification test is associated with a higher CHD risk https://www.t-online.de/gesundheit/aktuelles/id_101061144/geruchssinn-im-alter-schwaeche-deutet-auf-erhoehtes-herzrisiko-hin.html Poor olfaction affects over a quarter of older adults reaching > 60% in adults aged 80