The Blog

READ THE SCIENCE

Evidence-based breakdowns of what the health calculators actually measure — and why the numbers most people see are oversimplified to the point of being useless.

Weight Loss Jun 2026

WHY MOST WEIGHT LOSS CALCULATORS ARE LYING TO YOU

Every app gives you a single date. None of them give you a range. Here's why that number is mathematically dishonest — and what HonestSlim does instead with 5,000 Monte Carlo simulations.

~7 min read Read →
Metabolic Health Jun 2026

AM I INSULIN RESISTANT? THE FREE TEST THAT DOESN'T NEED A BLOOD DRAW

88% of US adults have some form of metabolic dysfunction. Most have no idea. Here's a tape-measure test validated in 300,000+ people — and what your waist measurement actually tells you.

~8 min read Read →
Smoking Jun 2026

HOW MUCH HAVE YOU SPENT ON CIGARETTES? THE REAL COST IN CARS AND YEARS

A pack a day at $10 for 20 years is $73,000. Most smokers have never added it up. Here's the math, the real-world comparisons, and why the transaction structure actively hides the number.

~7 min read Read →
Visceral Fat Coming Soon

HOW MUCH BELLY FAT ARE YOU ACTUALLY CARRYING? (AND WHY BMI WON'T TELL YOU)

BMI ignores where your fat lives. Visceral fat — the stuff packed around your organs — is the dangerous kind. Here's how to measure what actually matters.

Coming soon