I think it is crucial to remember that healthy living involves both eating well and exercising. Sometimes folks can get caught up in exercise and think “I can burn anything off.” Thoughts like this can lead to some very unpleasant circumstances and medical surprises. No matter how good your fitness regime is, you still need to eat intelligently, too.
This infographic from Miramont has some really good information on basic nutritious foods.
Eat less; move more; live longer.