I’ve never seen any evidence of cumulative heart damage from excessive caffeine useage.
It can, in conjunction with other things, bring you into problem territory. Like if you have a heart problem, or go exercise, you can induce tachycardia or worst case a heart attack.
But if long term caffeine usage causes heart damage the effect is drowned out by more significant factors like not doing exercise or not eating a plant based diet.
I’ve never seen any evidence of cumulative heart damage from excessive caffeine useage.
It can, in conjunction with other things, bring you into problem territory. Like if you have a heart problem, or go exercise, you can induce tachycardia or worst case a heart attack.
But if long term caffeine usage causes heart damage the effect is drowned out by more significant factors like not doing exercise or not eating a plant based diet.