The cold plunge became the ultimate biohacker flex. The research paints a much more complicated picture — and for lifters, it might actually be counterproductive. Cold water immersion went from a niche recovery tool used by elite athletes to a mainstream wellness trend seemingly overnight. Social media is full of people climbing into ice baths at dawn, filming their gasping reactions, and claiming benefits ranging from reduced inflammation to improved focus to accelerated fat loss. Cold plunge tubs are now a multi-billion dollar market. It made ACSM's trending fitness list in 2025. The appeal is understandable. There's something viscerally satisfying about doing something uncomfortable and believing it makes you better. And cold exposure does have real physiological effects — it triggers a norepinephrine release, vasoconstriction, and an acute stress response that genuinely makes you feel alert and energized. But "it makes you feel good" and "it improves your t...
A walking method from a 2007 study just went viral. But is interval walking genuinely better than regular walking, or is this just another repackaged fitness trend? If you've been on TikTok or Instagram in the last few months, you've probably seen it. Someone walking at a casual pace for three minutes, then picking it up to a brisk effort for three minutes, back and forth for 30 minutes. The captions call it Japanese walking. The comments call it life-changing. The algorithm keeps pushing it. And honestly? For once, the trend might actually deserve the attention. But not for the reasons most people think — and with some caveats that nobody making content about it seems to want to mention. Photo by BREAKIFY on Unsplash Where Japanese Walking Actually Comes From The method being called Japanese walking originates from research conducted by Dr. Hiroshi Nose and his team at Shinshu University in Japan. The study, published in 2007, tested an interval walking protoco...