Jennifer

If you want to become a faster runner, you’ll probably end up doing a lot of speedwork on a track.…

Phenylephrine is both the most common decongestant on pharmacy shelves, and arguably the worst at its job. If you’ve ever…

Welcome to Training Diaries, a new Lifehacker series about my journey to the 2023 TCS New York City Marathon. This…

Everyone has certain tasks that we dread more than others, but have to get done eventually. It could be something…

According to the National Institute of Mental Health (NIMH), more than 40 million adults in the U.S. (19.1%) have dealt…

Rest days are important, but how much do they matter for running? Beginner programs like a Couch to 5K often…

Some TikTok myths I find in the wild (like the tales of supposed tick attacks), while other times I’m tipped…

When it’s working properly, the human body is an amazing feat of engineering. But when things go wrong, it suddenly…

Fitness gear can be expensive. Whether it’s running shoes, a smartwatch, or a couple of nice sports bras, it’s easy…

Getting leg cramps in the middle of a workout, or just while going about your day, can be an agonizing…