Katie Donnell, 28, was a “workout queen” who was “the epitome of health” until she died of a shocking heart attack — and her mother believes energy drinks are to blame.

A 28-year-old “workout queen” who fueled her gym visits with caffeine supplements and energy drinks died of a heart attack — and her mother believes it’s because of the beverages.

In 1974, Queen were navigating shaky times following the release of their third album, Sheer Heart Attack. Despite the band’s success and a string of hits, they were in debt and considered ...

Katie Donnell, 28, was a "workout queen" who was "the epitome of health" until she died of a shocking heart attack — and her mother believes energy drinks are to blame.

Katie Donnell, 28, was a "workout queen" who died of a shocking heart attack -- her mother believes it was a caffeine overdose and energy drinks are to blame. A fitness and caffeine enthusiast died at ...