Study: Fish oil supplements may help heart

Researchers in Canada have reviewed the medical literature on the subject. They found that people taking fish oil supplements did have a 20 percent lower risk of death from many types of heart disease.

But fish oil did not appear to offer any protection from heart rhythm problems or sudden cardiac arrest.

The researchers also found that people taking fish oil did not have a lower risk of premature death from other causes such as cancer or Alzheimer's disease.

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