author

Dr. Ajit Kumar

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.

Impressum

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. This Impressum provides legally required information about the operator of MediMadad.com in accordance with applicable […]

Rapamycin and Longevity: The Most Exciting Anti-Aging Drug Science Has Found

Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy In 1972, a Canadian research expedition collected soil samples from Easter Island – known in the indigenous language as Rapa Nui. The samples sat in freezer storage for years, largely forgotten. When researchers eventually analysed them, […]

How Accurate Are Sleep Tracking Apps? A Doctor’s Honest Assessment

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. Medical Review: This article was reviewed by Dr. Ajit Kumar, MD (Medicine) — Healthcare Consultant […]

Zone 2 Cardio: The Science Behind the Training Method Everyone Is Talking About

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. Key Takeaways Zone 2 cardio — low-to-moderate intensity aerobic exercise — is the most evidence-backed […]

Do Sleep Trackers Actually Work? An Honest Review of the Science

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. Key Takeaways Consumer sleep trackers are reasonably accurate at detecting total sleep time (within 30-45 […]

Berberine vs Metformin: Can a Plant Compound Match a Prescription Drug?

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 […]

The New Alzheimer’s Blood Test: What It Is and Can You Get It in India?

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 […]

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