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Zero News

What’s New in Zero: Accurate Calorie Counts, Updated Apple Watch App, and Three Free Meals

A rundown of eight recent Zero updates: a more accurate calorie-estimation model, new "Fix It" meal editing, three free meals for new users, expanded Fasting Zones, a rebuilt Apple Watch app, and global logging.

Mike Maser · Aug 10, 2026
Health & Science

What BMI Can and Cannot Tell You About Your Health

The number on her chart said “overweight.” The patient sitting across from me was a former Division I athlete. Resting heart rate in the low 50s, glucose in the optimal range, body…

Naomi Parrella, MD · May 12, 2026
Zero News

Quick Update: What’s New in Zero?

Back in January, I wrote a post about the several updates we made to Zero Plus. I promised to keep the updates coming as we build, and a lot has been delivered…

Mike Maser · May 6, 2026
Other

What Fasting and GLP-1s Have In Common

We recently surveyed a subset of our community, and what we found is what we’ve always suspected: Zero users don’t all look the same.  Some of you are deep in a fasting…

Mike Maser · Apr 29, 2026
Zero News

Team Android, This One’s for You

If you’ve been using Zero on Android for a while, thank you for sticking with us. We know it hasn’t always been easy. iOS got features first, and some features never made…

João Lopes · Feb 5, 2026
Other

Are you losing fat . . . or muscle?

It’s a new year! And for many people, that brings renewed motivation to improve their health, often starting with weight loss. As a physician who practices obesity and lifestyle medicine, I see…

Naomi Parrella, MD · Jan 28, 2026
Zero News

Quick Update – We’re Hard at Work on Zero Plus Improvements

Since launching the new Zero Plus earlier this month, the team has been heads-down making enhancements based on your feedback, as well as working on things we couldn’t squeeze into our initial…

Mike Maser · Jan 27, 2026
Health & Science

The New US Dietary Guidelines Are Finally Catching Up 

For a long time, many people have shared a similar frustration. They’ve built a consistent fasting practice. They’re thoughtful about food. They’re not overeating. And yet, something still feels off. Energy dips…

Heidi Vance · Jan 14, 2026
Zero News

Meet the New Zero Plus

You know fasting works. It’s simple, it’s effective, and it has the science to back it up. But when it comes to the fueling part of the equation, that’s where things start…

Mike Maser · Jan 7, 2026
Other

Reframing Resolutions

What is a resolution? Is it a goal? If you were a patient coming into my office for the first time, we’d explore what’s behind your goals. Let’s say you want to…

Naomi Parrella, MD · Jan 13, 2025
Zero News

Tom’s September Update

Scale: friend or foe? I’ve experienced both. I’ve been weighing myself lately. And I’m coming to terms with the idea that, through thick and thin (har har), it’s a healthy habit all…

Tom Conrad · Sep 25, 2024
Q+A's

Q&A with Dr. P: Recovering after Exercise

Collagen supplements, post-workout meals, cold plunging, and saunas It seems like every other wellness ad these days is about a recovery trick or product. But what does “recovery” really mean? And why…

Naomi Parrella, MD · Aug 2, 2024

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