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Should You Quit Coffee? What the Evidence Says
If you've ever wondered whether you should quit coffee, you're not alone. Coffee is one of the most widely consumed beverages in the world, and the research on its health effects can feel contradictory. The truth is that coffee can protect your heart, kidneys, and brain for many people, but for others it does more harm than good. The difference comes down to your genes, your medications, your health conditions, and even your bedtime. Key Takeaways Your CYP1A2 gene determines
Sean Hashmi, MD
Feb 256 min read
Coffee Creamers and Kidney Health: What Additives to Avoid
Are coffee creamers damaging your kidneys? Learn which additives to avoid and how to keep your coffee kidney-friendly. Evidence-based guide.
Sean Hashmi, MD
Feb 225 min read
Melatonin and Heart Failure: What New Research Reveals About Long-Term Use
A study of 130,000 people found long-term melatonin use linked to 90% higher heart failure risk. Learn what this means for you and how to use melatonin safely.
Sean Hashmi, MD
Feb 75 min read
Coffee and Depression: What Research Says About Risk Reduction
Most people think of coffee as a morning habit. Something to get through the first hour of the day. But a growing body of research suggests that your daily cup may be doing more for your brain than just sharpening your focus. Studies now link moderate coffee intake to a lower risk of depression, cognitive decline, and even neurodegenerative diseases like Parkinson's. The question isn't just whether coffee wakes you up. It's whether it might help protect your brain over decade
Sean Hashmi, MD
Feb 26 min read
Belly Fat and Kidney Health:The Hidden Connection
Belly fat and kidney health are connected in ways most people never consider. If you've been struggling with stubborn abdominal fat despite dieting and exercise, your kidneys may be part of the problem. As a nephrologist and obesity medicine specialist, I see this pattern regularly: patients doing everything "right" but unable to lose visceral fat because their kidneys are trapped in a cycle that keeps insulin elevated and their body locked in fat storage mode.
Sean Hashmi, MD
Dec 18, 20255 min read
Coffee and Diabetes: What the Research Actually Shows
Key Takeaways Each daily cup of coffee is linked to approximately 6% lower risk of developing type 2 diabetes, with 2-4 cups showing 20-30% lower risk compared to non-drinkers. Coffee protects the liver, with regular drinkers showing 20-30% lower risk of non-alcoholic fatty liver disease and reduced liver fibrosis. The benefits apply to both regular and decaffeinated coffee, but added sugars and syrups can completely negate these protective effects. Overview The Diabetes Conn
Sean Hashmi, MD
Dec 17, 20255 min read
Coffee and Chronic Kidney Disease: Evidence-Based Guide (2025)
Is coffee safe for your kidneys? New research on coffee and chronic kidney disease challenges what many people have been told for years. A growing body of evidence suggests that moderate coffee intake may actually protect kidney function — not harm it. As a board-certified nephrologist, I've watched the science evolve significantly since I first covered this topic four years ago. Several major studies have since emerged with larger data sets, genetic insights, and clearer pro
Sean Hashmi, MD
Dec 11, 20254 min read
Pig Kidney Transplants in 2025: What the Six-Month Milestone Means
For decades, the transplant community has asked a single question: can a pig kidney keep a human alive long enough to matter? In 2025, we finally got an answer. Multiple patients in the United States and China survived more than six months with gene-edited pig kidneys functioning inside them — crossing a threshold that changes how we think about xenotransplantation and the future of kidney failure treatment. Key Takeaways Multiple humans have now lived more than six months wi
Sean Hashmi, MD
Dec 9, 20254 min read
IgA Nephropathy Treatment: 5 Steps to Protect Your Kidneys
Board-certified nephrologist shares the exact 5-step action plan for IgA Nephropathy treatment based on KDIGO guidelines and clinical trials.
Sean Hashmi, MD
Dec 4, 20255 min read
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