A new study by the University of Miami, published in the Journal of the American Heart Association, has found that suffering a heart attack may accelerate cognitive decline in older adults. This discovery is particularly important considering that cardiovascular disease is one of the most common causes of death worldwide and cognitive decline is a leading contributor to functional impairment in older adults.
The study followed 1,449 adults with an average age of 64. Participants were interviewed every two years with cognitive tests given every four years. The study found that those who suffered a heart attack had a 35% greater risk of cognitive decline compared to those who did not have a heart attack. The researchers also found that this cognitive decline started two years after the heart attack.
The researchers noted that the presence of other cardiovascular diseases – such as heart failure or angina – did not impact the speed of cognitive decline. This suggests that it is specifically the heart attack event that is responsible for the cognitive decline.
There are several potential reasons for why a heart attack may lead to cognitive decline. One possibility is that the event may damage blood vessels in the brain. In addition, a heart attack may cause inflammation in the body which can also impact brain health.
These findings support the idea that cardiovascular health is closely linked to brain health. Many studies have established the importance of lifestyle factors in reducing the risk of both heart disease and cognitive decline. Eating a healthy diet, exercising regularly, quitting smoking, and managing stress are just a few of the ways to maintain good cardiovascular health, and this new research underscores how these habits may also support brain health.
In conclusion, the study from the University of Miami adds to a growing body of research that suggests that cardiovascular health and brain health are deeply connected. While more research is needed to fully understand the mechanisms at play, the findings suggest that individuals who have experienced heart attack should pay particular attention to their cognitive health. In addition, steps to improve cardiovascular health may also have a positive impact on cognitive health, something to keep in mind for those hoping to maintain their cognitive abilities as they age.
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