The gray hairs on a man's head could point to heart problems, new research shows.
A study presented this month at a cardiology conference in Europe
links gray hair with an increased risk of heart disease in men, independent of age or other risk factors.
And while doctors haven't confirmed a cause-and-effect link, further research could allow gray hair to serve as a predictor of heart problems.
The hardening and narrowing of one's arteries, called atherosclerosis, and the graying of hair both rely on similar mechanisms, the study's authors said. Those include impaired DNA repair, inflammation, hormonal changes and oxidative stress.
“Atherosclerosis and hair graying occur through similar biological pathways and the incidence of both increases with age,” said Irini Samuel, MD, a cardiologist at Egypt's Cairo University.
“Our findings suggest that, irrespective of chronological age, hair graying indicates biological age and could be a warning sign of increased cardiovascular risk.”
Allan Stewart, MD, director of aortic surgery at Mount Sinai Hospital
A study presented this month at a cardiology conference in Europe
And while doctors haven't confirmed a cause-and-effect link, further research could allow gray hair to serve as a predictor of heart problems.
The hardening and narrowing of one's arteries, called atherosclerosis, and the graying of hair both rely on similar mechanisms, the study's authors said. Those include impaired DNA repair, inflammation, hormonal changes and oxidative stress.
“Atherosclerosis and hair graying occur through similar biological pathways and the incidence of both increases with age,” said Irini Samuel, MD, a cardiologist at Egypt's Cairo University.
“Our findings suggest that, irrespective of chronological age, hair graying indicates biological age and could be a warning sign of increased cardiovascular risk.”
Allan Stewart, MD, director of aortic surgery at Mount Sinai Hospital
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