A US cardiologist, Dr. Dmitry Yaranov, suggests salt is not universally harmful, emphasizing its essential role in bodily functions. He clarifies that high sodium intake can worsen conditions for individuals with heart failure, resistant hypertension, kidney disease, liver cirrhosis, and compromised vascular systems. Dr. Yaranov advocates for personalized dietary advice rather than blanket restrictions, highlighting the deeply personal nature of salt consumption for high-risk patients.