Young Adults Who Have Lost a Sibling Face Increased Risk of Heart Disease, Study Reveals

Losing a loved one can have a profound impact on an individual’s emotional, mental, and physical well-being. A recent study has shed light on the association between sibling loss during childhood or early adulthood and the heightened risk of developing heart disease at a young age. This revelation offers valuable insights into the long-term implications of bereavement on cardiovascular health.

Understanding the Study's Findings

The research, conducted by the Fudan University in Shanghai, China, and the Chinese University of Hong Kong, involved an extensive evaluation of over two million individuals born between 1978 and 2018 in Denmark. The study revealed that individuals who experienced the loss of a sibling faced an average age of 11 at the time of the sibling’s passing. The follow-up data spanning 17 years indicated a 17% increased overall risk of cardiovascular disease among those who had lost a sibling during their formative years.

Implications of Sibling Loss on Cardiovascular Health

The study specifically highlighted that the risk of developing heart disease was notably higher among individuals who had lost a twin or a younger sibling as opposed to an older sibling. The findings underscore the necessity of providing additional support and attention to bereaved siblings to mitigate the risk of cardiovascular disease later in life.

Insights from Experts

Dr. David Schonfeld, the director of the National Center for School Crisis and Bereavement at Children’s Hospital Los Angeles, emphasized the lasting impact of adverse childhood experiences on physical health during adulthood. He emphasized that the death of a close family member, such as a parent or a sibling, can profoundly affect an individual’s psychological, emotional, and physical well-being.
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Furthermore, Dr. Jonathan Kahan, a cardiologist at Delray Medical Center, highlighted the far-reaching effects of trauma resulting from the loss of a loved one. Chronic stress, survivor’s guilt, and other emotional or physical responses can contribute to the development of cardiovascular disease in survivors.

Broader Considerations in Cardiovascular Care

In light of these findings, experts encourage healthcare professionals to expand their focus beyond traditional risk factors for heart disease. Non-traditional factors such as loss, bereavement, and chronic stress should be given due consideration. The study underscores the importance of addressing the chronic phase of grief and loss, not just the immediate and acute phase, in cardiovascular care.

Coping Strategies and Support after Sibling Loss

For individuals who have experienced the loss of a sibling, seeking appropriate support is crucial. Dr. Kahan emphasized the significance of addressing the emotional, physical, and social impact of grief and trauma. Encouraging healthy coping mechanisms, seeking emotional support, and staying engaged in social activities are vital steps in mitigating the long-term effects of sibling loss on heart health.


The study’s findings offer valuable insights into the impact of sibling loss on the risk of developing heart disease in young adults. Recognizing the enduring effects of bereavement on cardiovascular health underscores the importance of comprehensive support and care for individuals who have experienced the loss of a loved one. By acknowledging the long-term implications of grief and trauma, healthcare professionals can better address non-traditional risk factors in the prevention and management of heart disease.


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