Danad - You should be fine combining nutrition with another harder class. I also took nutrition online and it was pretty easy, a lot of common sense/common knowledge, and didn't require hours of work. Lifespan development was the same. I'm taking stats this fall, but I've talked to a lot of people and the general consensus is 1) get a good calculator; and 2) as long as you're pretty good with math you'll be fine. I don't know about the time commitment, however. Good luck with your classes!