I too live in NYC, recently transplanted from Seattle. I coughed up the (not insignificant) cash in order to get a gym and make sure to work out every morning as a start to my day. Do at least 30 minutes of cardio at a good clip (most machines give you numbers, so try to burn 400 calories at least). Lift some weights too, because it increases muscle mass, which will increase your metabolism.
I know the cover looks cheesy, but it's actually really well written and very detailed (it tells you on a daily basis what to do). Workouts are an hour long, six days a week, and they incorporate flexibility and injury prevention exercises, which are quite important.
For diet, here in NYC I stop by Whole Foods or something similar right after the gym and make my own salad. Almost always, it's purely vegetarian. Make sure you get a lot of greens in there, and as many other colors of vegetables as you can.
Dinner is a highly social meal, and I end up messing it up often.
If you're really into something prescriptive, I highly recommend this book: http://www.amazon.com/Core-Performance-Revolutionary-Workout...
I know the cover looks cheesy, but it's actually really well written and very detailed (it tells you on a daily basis what to do). Workouts are an hour long, six days a week, and they incorporate flexibility and injury prevention exercises, which are quite important.
For diet, here in NYC I stop by Whole Foods or something similar right after the gym and make my own salad. Almost always, it's purely vegetarian. Make sure you get a lot of greens in there, and as many other colors of vegetables as you can.
Dinner is a highly social meal, and I end up messing it up often.
I do miss all of Seattle's outdoors though ...