From pricey wearable devices to your phone, it has never been easier to track your daily physical activity, or lack of it. And if you're like many Americans and spend nine-plus hours sitting every day ...

BOSTON — Are you constantly looking at your watch or phone to check your step count as you strive to hit 10,000 steps a day? Well, a new Mass General Brigham study shows that only 4,000 steps one or ...