Too many energy drinks can trigger sudden heart attacks even in healthy young people, study finds

Almost one in three 12 to 19-year-olds regularly consume the drinks which often contain high levels of caffeine that can be bad for the heart.

They can also contain “hidden” caffeine in the form of ‘masking agents’ such as gurana, which comes from a Brazilian plant and is identical to caffeine found in coffee beans but at twice the concentration.

Adding guarana and other popular substances, such as ginseng and taurine, to these types of drinks may generate “uncertain interactions”, the researchers said.
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