The internet's cortisol freakout was causing my cortisol to spike. So I talked to a doctor.

Tech Insider : Business, Economy
Photo Collage featuring High Cortisol Levels meme, person doing yoga, hand holding a supplement, and a nurse holding a clipboard.

Getty Images; Alyssa Powell/BI

A fitness coach breaks down his 4-step 'P.A.C.T.' method for building a consistent workout habit

Tech Insider : Business
A man smiles in front a wooden background.
Steve Kamb founded his online fitness coaching company, Nerd Fitness, in 2009.

Mackenzie Laroe

How to build strength and muscle in a 15-minute workout, according to the World's Strongest Man

Tech Insider : Business
Athlete Mitchell Hooper performing a massively heavy deadlift for the World's Strongest Man competition
Mitchell Hooper, the reigning World's Strongest Man, can deadlift 1,000 pounds and is vying for the world record in the exercise.

ROBYN BECK/AFP via Getty Images

I'm a fitness founder and mom to 2 daughters. Here's a day in my life in Los Angeles.

Tech Insider : Business
A woman stands in front of a sunset.
Megan Roup founded The Sculpt Society in 2017.

Megan Roup

This as-told-to essay is based on a conversation with Megan Roup, the 40-year-old founder and CEO of The Sculpt Society, a fitness app founded in 2017, and a celebrity trainer.

After 500 Orangetheory classes, I thought I was in great shape — until I took a Barry's class

Tech Insider : Business, Environment
Writer Kimberly Wilson at Orangetheory
Kimberly Wilson is an Orangetheory enthusiast. Still, when she switched

Kimberly Wilson

John Cena said he's training to lift weights into his 80s and beyond. Here are 3 longevity lessons from the WWE star.

Tech Insider : Business, Sports, Travel
John Cena stands in the ring as an announcer at a packed WWE event
After decades of body slams, John Cena is doing more yoga and taking more rest days.

Andrew Timms/WWE via Getty Images

A strength training expert, who runs the 'hardest workout in NYC,' shares 3 habits to build muscle without working out on weekends

Tech Insider : Business
James McMillian
James McMillian, the president of Tone House in New York City, focuses on full-body workouts and follows a simple, high-protein diet.

James McMillian

Bryan Johnson's list of 41 things he's learned while 'spending millions' on longevity

Tech Insider : Business, Travel
Bryan Johnson speaking at The Long Play
Bryan Johnson has gone to extremes to understand longevity. Now, he's revealing his best and simplest tips.

Business Insider

I tried the 6 exercises longevity experts hope can slow aging. Here's how to do them at home.

Tech Insider : Business, Style
3 longevity exercises
There are only six moves in this longevity-focused strength-training routine.

Hilary Brueck, Business Insider

A busy cardiologist and father of 3 shares his 4 simple habits for good heart health

Tech Insider : Business, Sports
Dr. Jake Kelly hiking with dog
Dr. Jake Kelly, a cardiologist based in Alaska, shared how he gets enough movement throughout the day to maintain good heart health.

Dr. Jake Kelly

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