SITTING TOO MUCH? JUST TAKE SHORT WALK BREAKS I sit at my computer for way too many hours a day.  I might get up once an hour to check on the cat, take a bathroom break or grab a snack—but these are only short 1 or 2-minute intervals. It’s the same in the evening where I’ll sit reading a book or sometimes watching Netflix. I try to get in some exercise every day—jogging, biking, or swimming—but a recent study says this still isn’t enough.  If you, like me, also spend long periods sitting, a short 5-minute walk break every half-hour...