Aug 7, 2026 17 min Calories In, Calories Out Is True. It Explains Almost Nothing. Ten countries put more than 3,700 calories a day on the shelf per person. Their food supply varies by 5.8 percent. Their adult obesity rates run from 14.1 percent to 40.7 percent. Across 168 countries, calorie supply accounts for 5.7 percent of the variation in obesity. Energy balance is an accounting identity: true in every country, which is exactly why it cannot explain why they differ. DataHealthEconomics
Jul 21, 2026 11 min The Internet's Favorite Lung-Cancer Dataset Says Smoking Is Harmless. It Isn't. The most-downloaded lung-cancer dataset on the internet, run through the obvious analysis, says smoking barely matters for cancer. It is wrong, and the reason it is wrong is a trap every data scientist should be able to see. Smoking causes the large majority of lung cancer, and there is no safe amount. DataHealthIndonesia
Jul 12, 2026 11 min What Actually Moves Your Mental Health (It Isn't the Sleep Tips) If you want to protect your mental health, the data has a clear favorite, and it isn't a sleep app or a gym streak. It's two quieter things: work-life balance and someone to lean on. Here is what happens when you rank the levers honestly, and why it matters for whether you can work at all. DataHealthProductivity