Reletter
Artwork for Wellness Discovery by Heather Hausenblas, PhD

Facts, not fluff. Real research, made simple—so you can make better health decisions without the lab coat language.

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Substack
PricingFreemiumPublishesTwice weekly
Issues249Founded3 years agoLast Issue10 days ago
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Artwork for Wellness Discovery by Heather Hausenblas, PhD

Latest Issues

The Case for Being a Fan

My brothers and I have a group text.

We’re three time zones and two countries apart. But the group text keeps us connected.

Especially when our teams play.

Turns out we’re not alone.

FIFA is projecting 6 billion people will watch some...

10 days ago
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A Bowl of Soup and What It Reveals About How Much We Eat

You may have seen it on social media.

Swap your dinner plate for a smaller one. Eat your meal. Feel just as full. Call it a game changer.

It looks like a gimmick. It sounds like a gimmick.

But there’s a real idea buried in it — and it g...

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Field Notes - June 2026

Field Notes is my monthly health post — studies that stuck, a book to read, a national park I paddled, and one thing I'm trying that science actually supports. Plus a Number worth knowing and something Noted.

There’s no shortage of self-he...

a month ago
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Cook Dinner. Live Longer.

Five things the research shows. One catch.

Tuesday. 6 p.m. Half-thawed chicken on the counter. Phone in my hand. One tap and dinner arrives. No chopping. No dishes. No thinking.

a month ago
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Grounding Doesn't Work

As kids, we ran barefoot all summer. Grass, dirt, the occasional gravel driveway at full sprint. We didn’t call it grounding. We never used a grounding mat. We were just outside barefoot. Does that mean we were healthier than kids wearing s...

a month ago
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Authors

The writers behind this newsletter.

  • Heather Hausenblas, PhD

    Award-Winning Health Researcher | National Park Hiker | Cutting Through Wellness BS With Real Science

  • Carla DiGirolamo, MD

    Carla DiGirolamo is a Board Certified Reproductive Endocrinologist specializing in women's performance and menopausal health. Carla is also a lifelong recreational athlete, CrossFit Level 1 Trainer, Nutrition Coach, and member of CrossFit Health.

  • Kat Fu, M.S., M.S.

    20 yrs in health optimization, 15 in sleep | I solve sleep issues beyond hygiene & supplements | Get early access to my science-backed sleep intelligence app for men 40+ who care about brain health & longevity. iOS/Android. Waitlist \ud83d\udc47

  • Neuroscience & Wellness

    Hi, I’m Dr. Puck Reeders, a neuroscientist passionate about making brain science practical. Subscribe for insights on wellness through the lens of neuroscience. [email protected]

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