Tech Insider : Business, Technology
The author is running on a treadmill
I wore a mask to track how hard my heart was working during strenuous exercise.
Tech Insider : Business, Style
A split image shows an elderly woman at the gym working out next to a sepia-toned portrait of the same woman as a young teacher.
Mary Coroneos, a 100-year-old woman from Norwalk, Connecticut, regularly goes to the gym and socializes with friends from her long career as a teacher.
Tech Insider : Business, Sports
Coco Gauff on the court
For Coco Gauff, 21, every day of training is an investment in her future.
Tech Insider : Business, Sports, Technology
A woman doing a body composition analysis; salmon and veggies
My second body composition analysis taught me I should eat more protein and change my strength training regimen.
Tech Insider : Business
A composite image of a man posing shirtless before and after weight loss.
A 35-year-old man cut his body fat almost in half with full-body workouts, progressive overload, and smaller portions.
Tech Insider : Business, Style
A personal trainer helping a woman do reps with a weight.
Hiring a personal trainer is an investment, so it's important to choose the right one for you.
Tech Insider : Business, Style, Travel
Caspar Lee smiling and holding his phone to talk into it.
Caspar Lee is an ex-YouTuber and entrepreneur who uses AI to help him plan his exercise each week.