

Indulging in occasional sweet treats may not harm your heart, but sugary drinks tell a different story. A recent study by researchers at Lund University, published in Frontiers in Public Health, sheds light on how added sugars from different sources impact cardiovascular health. The findings suggest that while enjoying sweet treats occasionally might be linked to a reduced risk of cardiovascular diseases, regularly consuming sugary drinks, such as fizzy drinks, significantly increases the likelihood of heart failure, atrial fibrillation, and ischemic stroke.
Dr. Suzanne Janzi, a Ph.D. candidate and lead author of the study, emphasized the importance of the source and context of sugar intake. “The contrast in risks between sugary beverages and occasional sweet treats highlights the need to consider not just the quantity of sugar but where it comes from,” she explained.
Study Details and Key Findings
The research analyzed data from nearly 70,000 participants in two Swedish cohort studies, tracking their sugar consumption and cardiovascular outcomes over two decades. Participants’ sugar intake was categorized into three groups: sugary drinks, toppings like honey, and sweet treats such as pastries. Cardiovascular diseases examined included ischemic stroke, heart attacks, aortic aneurysms, heart failure, atrial fibrillation, and aortic stenosis.
The results revealed that:
- Sugary drinks significantly raise the risk of ischemic stroke, heart failure, and abdominal aortic aneurysm.
- Occasional sweet treats were associated with a lower risk of cardiovascular diseases compared to no sugar consumption at all.
- Liquid sugars in sugary beverages often lead to overconsumption due to lower satiety compared to solid sugar sources.
Cultural and Dietary Context
The findings also highlighted the role of cultural dietary habits. For instance, Sweden’s tradition of “fika”—enjoying coffee and pastries—may explain why moderate sugar consumption through treats showed protective effects.
While the study provides valuable insights, researchers caution that the results are observational and not universally applicable. They underscore the importance of moderation, advocating for keeping daily sugar intake within recommended limits to minimize cardiovascular risks.
By replacing fizzy drinks with healthier alternatives and consuming sweet treats in moderation, individuals can better align with the recommended daily sugar intake while safeguarding their heart health.
More information: Added sugar intake and its associations with incidence of seven different cardiovascular diseases in 69,705 Swedish men and women, Frontiers in Public Health (2024). DOI: 10.3389/fpubh.2024.1452085
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