I used to be proud of only sleeping 3 hours because I worked so much. Now I realize health is freedom, not wealth.

Tech Insider : Business
Tyler Smith headshot
Tyler Smith used to think wealth was freedom, but after his dad died at 47, he realized health is more important.

Courtesy of Tyler Smith

At 80, 'Ghostbusters' star Ernie Hudson says his fitness goal is surprisingly simple

Tech Insider : Business, Travel
Ernie Hudson.
Ernie Hudson.

Nathan Congleton/NBC

A brain-training game that takes about 2 hours a week can reduce your risk of developing dementia by 25%, study finds

Tech Insider : Business, Sports, Technology
older woman on computer
Speed training can lower your risk of developing dementia by 25%, according to a new study.

SeventyFour/Getty Images

Kevin Hart works out like a pro athlete. His trainer says heavy lifting isn't the key to staying shredded.

Tech Insider : Business
Actor and comedian Kevin Hart poses on the red carpet at a Golden Globes event in a suit.
Kevin Hart has been committed to a disciplined workout plan for years.

Gilbert Flores/Penske Media via Getty Images

A longevity researcher changed his routine after visiting an island 'Blue Zone' where people live to 100

Tech Insider : Business, Style
a seaside town on mountainous terrain in Sardinia Italy
Residents of Sardinia, Italy get plenty of longevity-boosting exercise from walking the region's hilly terrain.

imantsu/Getty Images

A longevity researcher shares his 4 habits for healthy aging, including outdoor stair-climbing and socializing more

Tech Insider : Business, Technology
Matt Kaeberlein
Matt Kaeberlein, the CEO of Optispan, shared his longevity habits.

Matt Kaeberlein

Heart disease is on the rise in younger adults. A cardiologist says prevention needs to start sooner.

Tech Insider : Business
A woman pictured in an out-of-focus side view checking her smartwatch on a run
Incorporating different heart rate zones into a workout can boost fitness and prevent plateaus.

Jacob Wackerhausen/Getty Images

One fitness supplement can help you build muscle and maybe boost longevity without breaking the bank, according to experts

Tech Insider : Business, Sports
A person scooping a supplement powder into a clear plastic cup.
Creatine is one of the most researched fitness supplements on the market. it offers a lot of value for its low costs, according to trainers and sports nutritionists.

Farion_O/Getty Images

I'm a 61-year-old CEO and DJ for longevity raves. I start my day with a cup of tea, ruthlessly cut meetings short, and don't have a house cleaner.

Tech Insider : Business, Style, Technology
Tina Woods
Tina Woods is the CEO and founder of Collider Health, and she DJs as "Tina Technotic."

Jon Tonks for BI

This as-told-to essay is based on a conversation with 61-year-old Tina Woods, the CEO and founder of Collider Health, an organization developing public-private partnerships for healthy aging and longevity. It's been edited for length and clarity.

I'm a trauma surgeon turned longevity CEO. I get up at 5 a.m., avoid snacks, and keep my phone out of my bedroom.

Tech Insider : Business
Dr. Shah
Dr. Darshan Shah said doing the small things consistently had the biggest impact on his personal health journey.

Madeline Tolle for BI

This as-told-to essay is based on a conversation with Dr. Darshan Shah, the 53-year-old founder and CEO of longevity clinic Next Health, who's based in Malibu, California. It's been edited for length and clarity.

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