A 58-year-old whose job requires hours of sitting lost 75 pounds in 12 months with these simple changes

Tech Insider : Business, Style
jerry before and after weight loss
Jerry Clark overhauled his diet: he started eating more vegetables and having his chicken roasted instead of fried.

Courtesy of Jerry Clark

4 tips to build muscle at the gym from one of the world's most decorated Olympians

Tech Insider : Business
Olympic swimmer Katie Ledecky in a cap, goggles, and swinsuit holds an American flag after setting a new record in the Women's 800 Freestyle Final in 2025
Katie Ledecky of Team United States reacts after winning gold and setting a new championship record time of 8:05:62 in the Women's 800m Freestyle Final on day 23 of the Singapore 2025 World Aquatics Championships at World Aquatics Championships Arena on August 02, 2025 in Singapore.

Kim Kardashian's trainer shares a 5-minute workout you can do anywhere to build muscle and burn fat

Tech Insider : Business, Sports
personal trainer Senada Greca in black workout clothes holds a lunge
Senada Greca.

Courtesy of Senada Greca

The New Year's resolutions nutritionists and trainers actually follow themselves — and 3 they skip

Tech Insider : Business, Sports
Three health experts smiling at the camera
Nutritionist Federica Amati, trainer Andre Adams, and sports dietitian Angie Asche shared the resolutions they recommend.

Courtesy of Zoe/Andre Adams/Eleat Nutrition

A longevity researcher doesn't take any supplements. Here are his 3 anti-aging habits instead.

Tech Insider : Business
Dr. Thomas Rando; a salmon salad
Dr. Thomas Rando generally follows the Mediterranean diet and fasts once a week.

Thomas Rando/MonicaNinker/Getty Images

The best health hacks we added to our routines in 2025 for muscle gains, gut health, and more

Tech Insider : Business
a person wearing a fitness heart rate monitor checking an app
From higher heart rate workouts to healthy eating hacks, a few tips helped us thrive in 2025.

Frazao Studio Latino/Getty Images

A champion ping pong player who avoided sports most of her life says it's never too late to start something new

Tech Insider : Business, Sports, Style
Carol Klenfner in blue shirt and black pants playing ping pong.
Carol Klenfner has found a renewed sense of competition after picking up ping pong later in life.

Mark Adam Miller / Business Insider

Retired Navy SEAL Jocko Willink shares 5 exercises you can do anywhere to build muscle, burn fat, and live longer

Tech Insider : Business
Jocko Willink in black dress pants and a collared shirt.
Entrepreneur Jocko Willink starts his day at 4:30 a.m., a habit he picked up in the Navy SEALs.

Courtesy of Jocko Willink

Martha Stewart, 84, still works out every weekday — and says her routine hasn't changed much in decades

Tech Insider : Business, Sports
Martha Stewart.
Martha Stewart.

Variety/Variety via Getty Images

To build muscle, you need a 'de-load' week. Here's how a powerlifting doctor strategizes rest for maximum gains.

Tech Insider : Business
Dr. Shernan Holtan jumping rope at a CrossFit gym
Dr. Shernan Holtan does powerlifting and CrossFit to stay healthy. She said taking a break from exercise with regular "deload weeks" helps to build muscle and strength while preventing injury.

Courtesy of Roswell Park Comprehensive Cancer Center

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