Please say hi to the newest Your Nutritionista contributor, Ella Q. Ella dwells in L.A. and works at what she calls a “super fancy” gym. She busies herself by indulging her inner science nerd researching metabolism and baking (she’s even considered pastry school!). Today, Ella’s extolling the virtues of efficient exercise, something I’m a huge fan of. I don’t think you have to spend hours in the gym to be fit and healthy, and neither does Ella. Read on to hear her tips.