'Workout Queen' Katie Donnell dies, mother blames energy drinks. Are they bad for the heart?

Katie Donnell, the 28-year-old 'workout queen' from Florida, died following a heart attack, which her family blames on energy drinks. While Donnell led a healthy lifestyle, her mother said she was 'used to the buzz' from the energy drinks and used to consume at least three cans before her twice-a-day sessions. Can the consumption of such beverages lead to heart ailments?

'Workout Queen' Katie Donnell dies, mother blames energy drinks. Are they bad for the heart?
Katie Donnell, the 28-year-old 'workout queen' from Florida, died following a heart attack, which her family blames on energy drinks. While Donnell led a healthy lifestyle, her mother said she was 'used to the buzz' from the energy drinks and used to consume at least three cans before her twice-a-day sessions. Can the consumption of such beverages lead to heart ailments?