I have a very sedentary job as an at home medical transcriptionist. When I worked in the clinic as a transcriptionist I never had any trouble with my weight because I was moving around (getting ready for work, tending to kids, running errands during lunch, etc), but since I started working at home about 5 years ago, my weight has crept up and I have a lot more body fat. Since my job is so sedentary, would it be okay to exercise twice a day with cardio or weights in the morning and the other in the late afternoon or would I be asking for trouble if I do this?