# Dr. Harsh Maheshwari

> Evidence-based guides, tools and books on obesity and its downstream diseases — for the public and for doctors — by Dr. Harsh Maheshwari.

Dr. Harsh Maheshwari is a physician (MBBS, King George's Medical University, Lucknow) and MD Community Medicine resident at AIIMS Raipur, India. The site publishes evidence-based material on obesity and its downstream diseases (type 2 diabetes, fatty liver, hypertension, cardiovascular disease), with India-specific cut-offs. Public guides are in plain language; clinician pages are referenced evidence syntheses. Every article lists its references and a last-reviewed date.

The site has two sections. For Everyone (https://drharshmaheshwari.com/) has plain-language guides and tools for the public. For Doctors (https://drharshmaheshwari.com/doctors/) has evidence syntheses, clinical skill trainers, clinical tools and books for health professionals.

Full text of all articles: https://drharshmaheshwari.com/llms-full.txt

## Blog

- [Interpretation of the world](https://drharshmaheshwari.com/blog/interpretation-of-the-world/): My thoughts on why our beliefs are only an estimate from a small sample, how interpretation shapes feelings and actions, and why today offers more opportunities.

## Tools

- [BMI & waist calculator (Indian cut-offs)](https://drharshmaheshwari.com/tools/bmi-calculator/): BMI with Asian/Indian cut-offs (overweight 23–24.9, obesity ≥25 kg/m²), waist-to-height ratio (risk from 0.5) and waist cut-offs (90 cm men, 80 cm women).
- [Activity check](https://drharshmaheshwari.com/tools/activity-check/): Does your week reach the Indian (ICMR-NIN) physical activity targets for your age? With the IPAQ score from 15 years.
- [Indian Diabetes Risk Score (IDRS)](https://drharshmaheshwari.com/tools/indian-diabetes-risk-score/): Four questions that estimate your risk of type 2 diabetes.
- [STOP-Bang](https://drharshmaheshwari.com/tools/stop-bang/): Eight yes/no questions that estimate your risk of obstructive sleep apnoea.
- [Activity check: IPAQ-SF and ICMR-NIN targets](https://drharshmaheshwari.com/tools/activity-check/): IPAQ short form (MET-min/week, Low/Moderate/High by the 2005 protocol) beside the ICMR-NIN 2024 targets (WHO under 5 and in pregnancy).
- [FIB-4 for fatty liver](https://drharshmaheshwari.com/doctors/tools/fib-4/): Rule advanced fibrosis in or out in MASLD/NAFLD from age, AST, ALT and platelets (10⁹/L or lakh/mm³), with the age-65 cut-off.

## For Doctors: clinical trainers

- [Auscultation Trainer](https://drharshmaheshwari.com/doctors/trainers/auscultation/): Heart and lung sounds from recordings: learn each sound, then practise, quiz and review. 16 heart and lung findings (S3, S4, systolic and diastolic murmurs, AF, AV block, crackles, wheeze, rhonchi, pleural rub) from the HLS-CMDS dataset (CC BY 4.0), with a Learn page per finding and a five-level quiz.

## Books

- [Statistics: From First Principles to Regression](https://drharshmaheshwari.com/doctors/books/statistics-first-principles-to-regression/): A derivation-first statistics book for doctors: from describing data through probability, estimation and testing to regression and survival analysis.

## Optional

- [About Dr. Harsh Maheshwari](https://drharshmaheshwari.com/about/)
- [Disclaimer and credits](https://drharshmaheshwari.com/disclaimer/)
- [Support this project](https://drharshmaheshwari.com/support/): voluntary one-time contributions by UPI; core educational resources are intended to remain freely accessible