It seems like every other day there’s a new fitness craze taking social media by storm, promising to help us lose weight. Unfortunately, not all of these methods are safe and effective. One of the ...

A fitness trend that took TikTok by storm, racking up more than 14 million views, may have some science behind it. The 12-3-30 treadmill workout, popularized by influencer Lauren Giraldo, promises a ...

Countless contemporary trends can be traced back to TikTok: See the octopus haircut, plum lipstick fad, and/or newfound cultural obsession with both highlighting and sculpting your jaw as proof of its ...

A fitness revolution is sweeping through social media, and it requires just three simple numbers to remember: 12-3-30. This straightforward treadmill workout has captivated millions of fitness ...

The #12-3-30 treadmill workout has become one of the most popular routines of fitness influencers and healthy TikTok girlies with 431.1 million views on TikTok — but does it actually work? The 12-3-30 ...

I’ve always been pretty skeptical of viral TikTok workouts like the 12-3-30 workout. They can be created by anyone with an account, after all, so their merits aren’t usually backed by science. But the ...

When a heat wave hits, it's time to move indoors, and doing a treadmill workout can be fun and effective. The 12-3-30 treadmill workout continues to be a favorite among workout trends since it went ...

The “12-3-30” workout is one of the biggest fitness trends of the past few years. This TikTok-viral treadmill routine has become the go-to way to sweat for millions of folks — including Hilary Duff.

There’s a reason everyone you know is doing the 12-3-30 workout. Invented in 2019 by content creator Lauren Giraldo, who went viral for claiming that simply walking uphill on a treadmill helped her ...