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Strong link found between level of depression and heart disease, stroke: Study


A new research suggests that the severity of a person's depression may increase their odds of having heart disease or stroke.

The results of the study were published in the journal of the American Heart Association.

"Cardiovascular diseases are impacted by and related to a variety of aspects of and well-being including mental health," said study author Yosef M. Khan, M.D., Ph.D., M.P.H., national director of Informatics and Analytics for the American Heart Association in Dallas, Texas.

"We found that the level of depression was strongly tied to living with heart disease and stroke, even after accounting for other factors that could impact risk, including the American Heart Association's Life's Simple 7 and variables of age, income, education, sex race, and ethnicity."

Researchers examined the connection between depression and non-fatal heart diseases such as heart failure, coronary heart disease, angina, heart attack or stroke in U.S. adults age 20 years and older. Using depression questionnaires completed in the National and Nutrition Examination Surveys (NHANES), more than 11,000 adults diagnosed with depression were identified.

This represents 231 million adults in the general population. Of these, about 1,200 people (translated to 20 million in the general population) said they had been diagnosed with heart disease or stroke.

An analysis to quantify the link for depression and non-fatal heart disease and stroke found that the odds increased by 24 percent with each additional level increase of depression-mild, moderate, moderately severe or severe.

"The implications of such an increase are vast," Khan said. "By understanding the relationship and degree of impact we can properly identify, prevent, treat and create policies and strategies to help decrease cardiovascular diseases and improve lives by tackling mental health and heart disease together."

More studies are needed to determine if depression causes cardiovascular disease or cardiovascular disease causes depression, according to the authors.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Mon, November 11 2019. 18:24 IST