Health

A Fish a Week Keeps Away the Heart Diseases, Study Claims

Cardiac failure is one of the leading problems of the world. 1 in every 4 deaths occurs due to heart diseases. Every year 0.7 million people in America experience a heart attack. Heart disease remains among the world’s top killers.

Many lists are seen circulating around the internet publicizing the ways to reduce cardiac failures or heart diseases. A paper published recently had declared Fish to be one of the convenient ways of reducing the risks of the heart diseases.

The eminent role of fish against coronary heart diseases (CHD) emerged during the 1970s. Greenland Eskimos were observed to experience fewer incidents of CHD despite their fat-rich diet. In addition, Japanese were also found to be very healthy at heart. Upon research, fish was found to be a major part of their diet.

The experimental study started in 1982 and the observations continued for 11 long years. In order to keep the data as authentic and eligible as possible, US male physicians were selected for the study. 20,551 male subjects, aged between 40-84 years, were kept under observation. It was made sure that the individuals were free of any kind of myocardial infarction, cerebrovascular disease, and cancer at baseline.

The study inspected the risk of unexpected deaths due to the heart attack. The unexpected or sudden death referred to the death within one hour of symptom onset. The subjects listed for the experimentation were asked to fill out a food frequency questionnaire that inquired about the kind of fish they eat and how often do they eat fish?

By the end of 1995, 133 deaths were observed. After critically analyzing all the participating factors it was determined that people consuming fish at least once a week were 52 times less prone to sudden deaths as compared to those who ate fish monthly or even less.

The researchers clarified that eating fish improved the overall health of the individual helping him to enhance his abilities to survive such incidents. Moreover, the results of the research were not accredited to a specific type of fish or consuming any specific portion.

The results were attributed to the anti-arrhythmic properties of fish. Arrhythmia refers to the irregular beating of the heart. It is further categorized as,

  1. Tachycardia
  2. Bradycardia

The former condition is likely to occur when the heart beats too fast and the latter when too slow. It could also skip a beat every now and then. Various factors may contribute to the possible causes of the problem including stress, depression, unhygienic conditions, alcohol, smoking, and fatty meals etc.

In addition, fish meat and other seafood also constitute Omega-3 fatty acids including Eicosapentaenoic acid (EPA) and Docosahexaenoic acid (DHA). These omega-3 fatty acids help in cardiac muscles’ relaxation and reduce the risk of myocardial irritations. They are also reported to improve blood lipid profiles, anti-inflammatory and anti-clotting effects in an individual. The omega-3 fatty acids also reduce the triglyceride content of the body by 15-30%. They reduce the pressure of blood in the vessels keeping it under normal ranges. They also prevent the thickening and hardening of the arteries by plaque formation. They give rise to HDL or good cholesterol in the body lowering LDL or bad cholesterol. All of these factors help Omega-3 fatty acids to contribute to the health and life of a heart, making fish a plausible and convenient source to avoid cardiac issues.

Overall, the study enumerated an inverse relation between fish consumption and fatal coronary diseases. The researchers suggested that people should consume fish and make it a part of their diet to strengthen their bodies against such life-threatening diseases.

Sources

https://www.ncbi.nlm.nih.gov/pubmed/9424039

http://apjcn.nhri.org.tw/server/info/articles/diets-foods/fishheart.htm

Michelle Kwan

Michelle Kwan has studied bio-medical sciences and loves to contribute her research into the field of health through her writing. Her expertise includes product reviews and health news reporting but she enjoys writing research-based news, the most. Twitter- @MichelleKwan19

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