A research was carried out by a group of researchers from Johns Hopkins University School of Medicine. As per the research, it has been unveiled that happy people are at reduced risk of suffering from heart attack.

Lead researcher Lisa R. Yanek said that on the other hand, those who remain sad were at an increased risk of suffering from coronary disease.

"If you are by nature a cheerful person and look on the bright side of things, you are more likely to be protected from cardiac events", said study researchers.

The study, which has been published in the American Journal of Cardiology, has found that those who remain happy are contended. They are relaxed and remain cheerful and these and other factors add years to their lives.

Prof Yanek was of the view that those who remain happy are always look at brighter side of life. This factor protects their heart from any problem.

It is not the first study, which has unveiled that people have positive approach are able to live more years than people, who have pessimistic approach towards life. The current study has based its findings on review of studies based on optimism and happiness.