Whether you prefer the “hot girl” variety, a morning stroll for your mental health, strutting on a treadmill, or powering through a few minutes on your lunch break, by now you are probably well aware of the many benefits of walking: It’s good for your heart and lungs, brain, mood, and longevity, among other things. But although it’s very clear why you should walk, there’s still a big question regarding the best way to go about it: Are short or long walks better for you? For example, how does getting up from your desk every hour to take a quick stroll around the block compare to carving out one chunk of time at the beginning or end of your day to walk a few miles? In general, all walking is good for you, so there’s really no right or wrong answer.…