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Higher free sugar intake tied to higher risk of cardiovascular disease
UK: Higher intake of free sugars is associated with a higher incidence of cardiovascular disease (CVD) and higher concentrations of triglyceride within all lipoproteins, a recent published in BMC Medicine has shown. Free sugars include added sugars and those found naturally in honey and fruit juice.
The study also found that higher fibre intake and replacing free sugars and refined grain starch with non-free sugars and wholegrain starch may protect against incident CVD. The findings strengthen the evidence for the global dietary recommendation to reduce free sugar consumption to below five percent of total daily energy.
Rebecca Kelly and colleagues analysed data from 110,497 individuals from the UK Biobank who had completed at least two dietary assessments. The researchers tracked individuals for around 9.4 years, and during this time, total cardiovascular disease (heart disease and stroke combined), heart disease, and stroke occurred in 4,188, 3,138, and 1,124 participants, respectively.
The authors found total carbohydrate intake was not associated with cardiovascular disease outcomes. However, when looking at the types and sources of carbohydrates consumed, they found that higher free sugar intake from foods such as sugary drinks, fruit juice and sweets was associated with increased risk of all cardiovascular disease outcomes. For each 5% higher total energy from free sugars, the associated risk of total cardiovascular disease was 7% higher. The authors found that the risk of heart disease was 6% higher, while the risk of stroke was 10% higher. Additionally, consuming five grams higher fibre per day was associated with 4% lower risk of total cardiovascular disease, but this association did not remain significant after accounting for body mass index (BMI).
The authors suggest replacing free sugars with non-free sugars-mostly those naturally occurring in whole fruits and vegetables – and a higher fibre intake may help protect against cardiovascular disease.
The authors conclude that not all carbohydrates may be associated with an increased risk of cardiovascular disease and that it is important to consider the type and source of carbohydrates consumed when researching cardiovascular health.
Reference:
Kelly, R.K., Tong, T.Y.N., Watling, C.Z. et al. Associations between types and sources of dietary carbohydrates and cardiovascular disease risk: a prospective cohort study of UK Biobank participants. BMC Med 21, 34 (2023). https://doi.org/10.1186/s12916-022-02712-7
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751