This is an interval-focused stair climber workout that will target your core, glutes, quads, thighs, and hamstrings. The only piece of equipment you’ll need is a resistance band to loop around your ...

Sit with your legs extended. Wrap the band around your feet and hold one end in each hand. Sit tall, with your core engaged ...

Why don’t Cheetos taste like cheese? As part of The Times’s January Challenge, Well columnist Jancee Dunn and flavor scientist Dr. Arielle Johnson investigate why ultraprocessed foods differ so much ...