As winter settles in and cases of seasonal flu begin climbing once again, a US based cardiologist is urging people to rethink the way they approach immunity. While supplements and trendy powders dominate social media, Dr Dmitry Yaranov, known online as heart_transplant_doc, says the real defence against infections lies in habits far simpler than what wellness marketing promises. His message comes through a recent Instagram post, which forms the basis of the report he shared with his followers.
In the post, Dr Yaranov warns that most commercial immune boosters prioritise profit, not public health. He writes that catchy packaging and viral online trends distract people from the fundamentals that the human body actually relies on. According to the report shared on his Instagram page, meaningful immune support depends on consistent sleep, good hydration, balanced nutrition, regular movement and mindful hand washing. Ignoring these essentials while relying on supplements, he says, is merely treating marketing rather than the immune system.
Protecting the Vulnerable Is Critical Dr Yaranov’s message highlights that a minor cold in a young healthy person can be dangerous for older adults and individuals with heart conditions. He explains that viral infections put strain on the heart, fluid balance and lungs. The cardiologist urges people to be thoughtful around family members at greater risk, noting that what sounds like just a cold often leads to preventable hospital visits.
Rest Is Not Weakness Another key point in the report is the importance of listening to the body. Dr Yaranov writes that pushing through illness does not signal strength but increases the risk of complications. He advises early rest to speed up recovery and avoid emergencies.Vaccines Reduce Severity Dr Yaranov also clarifies misconceptions about vaccines, explaining that they reduce inflammation and protect the heart if illness occurs. He compares them to a seatbelt rather than a forcefield. They do not stop infections entirely but significantly reduce the damage caused.
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Dr Dmitry Yaranov is a cardiologist and heart transplant surgeon who serves as Medical Director for Advanced Heart Failure, Heart Transplant and Mechanical Circulatory Support at Baptist Memorial Health Care in Memphis, Tennessee. With a strong social media presence on Instagram, he is widely followed for evidence based and practical cardiovascular guidance.
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