Leading causes of death in the US :<p><a href="https://www.medicalnewstoday.com/articles/282929.php" rel="nofollow">https://www.medicalnewstoday.com/articles/282929.php</a><p>#1 is heart disease<p>Causes: excessive alcohol consumption, smoking, no regular exercise, stress<p>I could be wrong but no exercise seems to be the main culprit based on what the disease actually is. Given that coffee increases your heart rate may suggest a causal link.<p>Edit:
Link to the actual study from the article <a href="https://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2686145" rel="nofollow">https://jamanetwork.com/journals/jamainternalmedicine/articl...</a> the comments are worth a look.