Welcome to Signal Over Noise, a newsletter for readers who want medicine served with the method and the manners of science — minus the smoke and mirrors. I’m Dr. Shailesh Singh, an interventional cardiologist. In this publication I translate the best available clinical research into reliable, practical explanations for people who care about their heart health and longevity — patients, curious caregivers, and the thoughtful lay reader who demands better than headlines.

What to expect
Each issue will focus on one high-value question, claim, or treatment area: we’ll examine the original studies, explain how the evidence was gathered, show what the data actually says — and then place those findings into real-world perspective. You’ll find: concise study breakdowns, plain-language explanations of clinical terms, the clinical significance for everyday health choices, and clear summaries of uncertainty where evidence is weak or mixed. Every claim I make will link back to the source studies and guidelines so you can read for yourself.

My promise and standards
In an era when social media influencers and viral takes often shape what people accept as “truth,” explaining the real science has become progressively harder — and more urgent. As others have noted, we now live amid peak mis- and disinformation, with headlines and hot takes blurring the line between careful evidence and confident falsehood. That is precisely why Signal Over Noise rests on three non-negotiables: rigor, transparency, and clarity. My aim is simple — to cut through the shouting, show you the data and its limits, and give you practical, honest context you can trust. If I ever overstate what the evidence supports, point it out and I will correct it openly.

Who this is for
If you want trustworthy explanations — not clickbait, not oversimplified “takeaways,” and not medical sermonizing — this is for you. Signal Over Noise is designed for anyone seeking trustworthy, science-backed explanations of heart health and longevity science in a world clouded by confusion and misinformation.

How I work with you
I encourage thoughtful questions. You will see occasional deep dives, short briefs, and practical “what this means for you” notes. I’ll cite primary sources and, when helpful, provide a short reading list to go deeper. Send questions or topic suggestions in the comments; I’ll read them, respond when I can, and correct the record openly if something I wrote needs fixing.

Join me
Subscribe to receive new issues directly in your inbox. Share the pieces you find useful, send questions you’d like investigated, and hold me to the highest standard: if I ever overstate what the evidence supports, call it out — I’ll correct it and explain the correction.

— Dr. Shailesh Singh

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A cardiologist’s guide to making sense of complex medical research — with clarity, integrity, and zero spin.

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