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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PricingFreemiumPublishesTwice weekly
Issues247Founded3 years agoLast Issue7 days ago
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Artwork for Wellness Discovery by Heather Hausenblas, PhD

Latest Issues

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...

7 days ago
13
4

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.

14 days ago
14
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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...

21 days ago
26
27

Walk 3 MPH. Live Longer.

Slow walkers tend to die sooner. But exactly how fast do you need to walk to stay ahead of death?

Researchers followed 1,705 older men for five years. One measure: walking speed.

By the end, 266 had died.

Not a single man who walked 3 mp...

a month ago
21
16

Warm Up. Better Sleep.

Last summer I hiked in three national parks in Alaska.

The cabins we stayed in were rustic. And cold. Temperatures in the 40s at night. Socks, layers, toques, whatever I could find.

Turns out, I was doing something right.

In this post:...

a month ago
23
22

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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

  • Chris Miller MD

    I am an emergency physician turned integrative medicine specialist after experiencing significant autoimmune and other health concerns. I am here to share my health journey with you and tips I have learned.

  • 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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