Catherine Falls Commercial/Moment/Getty Images
Image by Marie LaFauci/Moment/Getty Images
Alina Buzunova / EyeEm/EyeEm/Getty Images
Caffeine is responsible for both coffee’s famous energizing effect and the anxiety that puts some people off the drink. A 2021 analysis found the caffeine in coffee cuts heart failure risk by 5–12 percent per cup.
Photographer, Basak Gurbuz Derman/Moment/Getty Images
Cafestol and kahweol are chemicals in coffee associated with health benefits, but they also increase bad cholesterol. Filtered coffee has lower levels of these chemicals but the biggest health benefits — meaning other substances may contribute to coffee’s protective effects.