Plant n-3 PUFA intake may lower the risk of atherosclerotic cardiovascular disease only among subjects with a low intake of marine n-3 PUFAs
2022
Bork, Christian S. | Lundbye-Christensen, Søren | Venø, Stine K. | Lasota, Anne N. | Schmidt, Erik B. | Overvad, Kim
The role of the major plant-derived n-3 PUFA, alpha-linolenic acid (ALA), on the risk of atherosclerotic cardiovascular (ASCVD) remains unclear, but most studies have reported no association. However, the association between intake of ALA and the risk of ASCVD may depend on the intake of marine n-3 PUFAs. We investigated this hypothesis among more than 53,909 middle-aged, Danish men and women followed for a median of 13.4 years. We found a statistically significant inverse association between ALA intake modelled as a restricted cubic spline and the rate of ASCVD in subjects with a low intake of marine n-3 PUFAs, while no association was observed among subjects with a higher intake of marine n-3 PUFAs. Our findings suggest that the intake of ALA may be associated with a lower risk of total ASCVD, but only among subjects with a low intake of marine n-3 PUFAs.
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