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Winter is here and so are cold and flu: Cardiologist shares immunity boosters hidden in simple daily habits to avoid viral infections

A US based cardiologist, Dr Dmitry Yaranov, is urging people to focus on simple daily habits instead of trendy supplements to strengthen immunity this winter. In a recent Instagram post, he stressed that meaningful protection comes from quality sleep, hydration, balanced nutrition, regular movement and proper hand washing, rather than commercial immune boosters. He warned that mild colds can be dangerous for older adults and heart patients, advised resting instead of pushing through illness and said vaccines reduce severity, not risk entirely.