The STEEL Library

Ready to take on the beginners’ challenge? Start your 5K training plan today, and let’s reach that finish line together!

Eggs have always been a cheap and easily accessible source of protein for millions of people around the globe. But as with everything else you’ll find on the grocery store shelf, the prices of eggs have skyrocketed over the last few years. In this article we break down egg labels so you can make informed decisions.

We asked AI to create two versions of the same man at 45 years old. One who prioritized his health for 25 years, and one who didn’t. The difference will shock you.

New research links heavy alcohol use to brain vessel damage and Alzheimer’s risk. In this article, Dr. Paul Henning explains what the latest postmortem study from Brazil reveals.

Sodium is essential for strength, hydration, and performance, and more. The easiest way to get it is from salt, but salt has gotten a bad rap. Learn what it is and how to use it right.

New research shows that teen strength predicts future health and work capacity. Find out why building muscle early in life is one of the smartest long-term investments into your health here.

Is too much screen time in bed wrecking your sleep quality? In this article, Dr. Paul Henning investigates what a 45,000-student study found, and what you need to do to improve your sleep.

Lifting weights has many health benefits, and now research suggests it may do more than build muscle. It could help protect your brain, boost memory, and slow cognitive decline as you age. In this article Dr. Paul Henning investigates the role resistance training plays on how your brain ages.

Cold plunges and saunas are everywhere, but are you using them right? Learn when to apply heat or cold for maximum muscle growth, faster recovery, and serious strength gains without killing your progress.

Coffee is a powerful tool. Too little doesn't elicit health benefits. Too much can backfire. Here’s what science says about caffeine and depression and how to get the balance right.

Laughter does more than lift your mood—it triggers measurable changes in your brain and body. In this article, Dr. Paul Henning investigates how it impacts our health.

Akkermansia muciniphila is a little-known gut bacteria not found in probiotics that could be the key to better digestion, fat loss, and immune health. Learn more here.

Maximize muscle growth with the right post-workout protein. Learn from Dr. Paul Henning how plant-based blends compare to whey and what science says about muscle recovery.

No fluff, just proven results. 5 of the best research-backed supplements for muscle growth, strength, endurance, and performance.