Increased heart rate is a risk factor for sudden death. Sudden death also known as cardiac arrest, and it occurs when the heart stops abruptly.
According to a study on 9,758 men, aged 50 to 59 from Lille, France and Belfast, Ireland, healthy men who ate fish regularly had lower average heart rates as compared to those who did not.
The men in the study were divided into 4 groups according to their fish intake: less than once per week (27.3 percent), once per week (46.9 percent), twice per week (20.1 percent), and more than twice per week (5.7 percent).
The adjusted heart rate ranged from 67.5 beats per minute (bpm) in men who ate fish less than once a week to 65.6 bpm for those consuming fish more than twice per week.
Omega-3 fatty acid may prevent sudden death and fatal cardiovascular events by regulating heartbeat and preventing irregular cardiac rhythms associated with sudden death. Cold-water fish such as salmon, tuna, and mackerel are good sources of omega-3 fatty acids.
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