What trainers actually think about the 12-3-30 workout

Look at this room full of treadmills — it’s an entire world of 12-3-30s just waiting to be tapped into. | Boston Globe via Getty Images When it comes to exercise, so many people — beginners; die-hard enthusiasts; reluctant participants; and everyone in between — are searching for holy grails: workouts that involve the least amount of time and effort and offer maximum results.  We live in the most scientifically advanced age of fitness. Exercise is a multibillion-dollar industry, and a lot of that money is spent on new research and development of new technology. If there were an easier...

3 hours ago

On HALO