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CHARLOTTE -- A new study says stun guns are a safe and effective law enforcement tool. A Wake Forest Baptist Medical Center study claims that the weapons, referred to in the study as Tasers, do not cause cardiac complications or death.

The results contradict an American Heart Association journal report that was published in May. That article states Tasers can cause cardiac arrest and even death.

One of the researchers of the Wake Forest study, Dr. William Bozeman, says their research on the weapon is the most comprehensive yet.

“Ours is the largest data base or the largest, both in term of numbers of subjects that have been enrolled and also in terms of agencies that contributed,” said Bozeman.

The Wake Forest study is published in the Journal of Emergency Medicine.

Bozeman says the weapons are a much safer alternative than using hand to hand combat and guns.