The VitalWhys Journal
Articles
Long-form pieces on longevity, training, sleep, and living deliberately. No fluff. Written for people who treat health like it matters.
nutrition
Complete List of Foods With Seed Oils (The One You'll Actually Use)
The problem isn't your cooking oil. It's the 40 other products in your kitchen that contain seed oils without announcing it. Here's the full category-by-category list.
May 25, 2026 · 9 min read
zone 2
Heart Rate Zones by Age: The Complete Reference Table
All five heart rate training zones, calculated for every age from 20 to 70. Find your numbers, understand what each zone does, and know which one you should be spending most of your time in.
May 25, 2026 · 11 min read
apparel
Your Workout Clothes Are Made of Plastic. Here's Which Brands to Know.
Nike Dri-FIT. Lululemon Luon. Gymshark's signature fabric. Under Armour HeatGear. They have different names, different price points, and one thing in common: they're all plastic. Here's the full brand breakdown and what it actually means for your health.
May 25, 2026 · 9 min read
nutrition
Which Restaurant Chains Use Seed Oils? The List You Need to Know
You've cleaned up your kitchen. But every time you eat out, you're handing control back to the restaurant. Here's exactly which major chains cook in seed oils — and the few that don't.
May 25, 2026 · 8 min read
nutrition
Seed Oils in 'Healthy' Foods You're Probably Still Eating
You cut seed oils from your cooking. You switched to olive oil and butter. But you're probably still consuming significant quantities of oxidized linoleic acid every day — hidden in foods marketed to health-conscious men. Here's where it's hiding.
May 4, 2026 · 10 min read
thyroid
Why TSH Alone Doesn't Tell You If Your Thyroid Is Actually Working
TSH is the thyroid test your doctor orders. It's also the least informative single marker in the thyroid cascade. A normal TSH can coexist with severely impaired thyroid hormone conversion — and every symptom of low thyroid function.
May 4, 2026 · 8 min read
longevity
Alcohol and Longevity: What the Research Actually Says
For decades, moderate drinking was considered heart-healthy. Recent research has largely dismantled that claim. Here's an honest look at what alcohol actually does to your body, your sleep, your brain, and your longevity odds.
May 3, 2026 · 6 min read
strength
Grip Strength: The Longevity Marker Hiding in Your Handshake
Researchers studying longevity keep landing on the same surprising predictor: how hard you can squeeze. Grip strength turns out to be a proxy for overall muscle health, cardiovascular fitness, and biological aging. Here's why it matters and how to improve it.
May 3, 2026 · 6 min read
sleep
Morning Sunlight: Why the First Hour Outside Changes Everything
The most powerful free tool for better sleep, sharper focus, and a more regulated nervous system isn't a supplement or a protocol. It's light — specifically, the right kind of light at the right time of day. Here's the science behind morning sunlight exposure.
May 3, 2026 · 7 min read