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In this milestone episode, the hosts discuss outstanding questions in nutrition science like personalized nutrition and ultra-processed foods. They explore challenges in conducting research, the open questions on omega-3 fatty acids and sodium's relationship with cardiovascular disease. The hype around time-restricted eating is also examined, concluding that it lacks valuable information. The evolution of evidence-based practice in nutrition science and the importance of critical thinking are emphasized.
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Quick takeaways
- The linear relationship between sodium intake and cardiovascular disease risk reinforces current public health recommendations.
- Research on time-restricted eating (TRE) and time-restricted feeding (TRF) lacks significant evidence supporting its effectiveness for weight loss or metabolic health.
Deep dives
Linear association between sodium intake and cardiovascular disease risk
The association between sodium intake and cardiovascular disease risk has long been debated. However, a recent study published in the New England Journal of Medicine analyzed multiple 24-hour urinary collections from various cohorts and found a linear relationship. For every 1000 milligrams increase in sodium intake, there was an 18% higher cardiovascular disease risk. This study, along with others with repeated measures, provides robust evidence supporting current public health recommendations for sodium intake.
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