Your keys aren't in the spot you thought you left them? Can't recall the title of a book? I've had those moments. Amid our busy lives, distraction or fatigue may explain our forgetfulness. But ...

Markham Heid is a contributor at TIME. He is the author of The Habit Trap, due out in early 2027. Photo-illustration by Bethan Mooney for TIME You’ve probably seen groups of people practicing tai chi ...

Tai chi is a form of martial arts rooted in ancient Chinese medicine. It is a gentle exercise involving slow movements, deep breaths, and a meditative state. Tai chi has many potential physical and ...

While workouts like high-intensity interval training (HIIT) have only been popular since the early 2000s, many other types of exercise have been around much longer. Pilates, for instance, began nearly ...