Trusted Source for Health Articles
Trusted Source for Health Articles
Dr. Ajit Kumar is a health educator, medical content reviewer, and founder of Medimadad, an evidence-based health education platform. He holds an MD (Medicine) degree and an MA (Psychology), bringing together medical knowledge and behavioral science to promote informed health decisions. His areas of focus include diabetes and metabolic health, men's health and sexual wellness, preventive healthcare, healthy aging, health psychology, and public health education. Through Medimadad, he is committed to improving health literacy by translating complex medical information into practical, accessible, and evidence-based educational content. Dr. Kumar is passionate about leveraging technology, digital health tools, and public health communication to empower individuals to make informed choices for long-term health and well-being.
Key Takeaways Consumer sleep trackers are reasonably accurate at detecting total sleep time (within 30-45 minutes) but significantly overestimate sleep quality Sleep stage accuracy (light, deep, REM) is poor — studies show only 65-69% accuracy compared to polysomnography The Oura Ring and Apple Watch perform best in independent validation studies; basic fitness trackers perform worst […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy Berberine has been called “nature’s Ozempic” in viral social media posts, “nature’s metformin” in research papers, and “the supplement that works like a drug” in the longevity community. Unlike most supplement claims, berberine has unusually strong […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy What Is the APOE Gene? APOE stands for apolipoprotein E — a protein involved in fat metabolism and, critically, in the transport and clearance of cholesterol and other lipids in the brain. The gene has three […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy In 2024, a panel of leading scientists made a proposal that would have seemed absurd just a decade earlier: they asked the FDA to formally recognise aging itself as a medical condition that can be treated […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy How the Alzheimer’s Blood Test Works The Alzheimer’s blood test measures levels of a protein called phosphorylated tau 217 (p-tau217). In Alzheimer’s disease, abnormal tau proteins accumulate in the brain, disrupting neural communication and eventually causing […]
Medical Review: This article was reviewed by Dr. Ajit Kumar, MD (Medicine) — Healthcare Consultant and Health Educator, Founder of Medimadad. Content is for educational purposes only and does not constitute medical advice. India is in the middle of a quiet dietary crisis. Urban Indian consumption of ultra-processed foods — packaged chips, instant noodles, commercial […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy The Key Studies: What Science Actually Shows The National Runners and Walkers Health Study The most comprehensive direct comparison of walking and running for cardiovascular health is Paul Williams’ National Runners and Walkers Health Study, which […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy What Is Creatine and How Does It Work? Creatine is a naturally occurring compound synthesised in the liver, kidneys, and pancreas from the amino acids arginine, glycine, and methionine. About 95% of the body’s creatine is […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy Somewhere around your late 40s, the rules of muscle building change. What worked at 30 – three gym sessions a week, moderate protein, reasonable recovery – no longer produces the same results at 55. This is […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy If you’ve started noticing more hair in the shower drain or on your pillow a few months into Ozempic, here’s what’s actually going on and what you can do about it — not just the science, […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy Intermittent fasting has moved from fringe biohacking into mainstream medicine faster than almost any dietary intervention in history. The question it keeps running into, though, is the hardest one in longevity science: does it actually extend […]
Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy What Is Insulin Resistance? Insulin acts as a key that unlocks cells to allow glucose to enter. Insulin resistance means the locks become less responsive: cells no longer open easily. The pancreas compensates by producing more […]
