Don't be afraid to use the words "healthy" and "barbecue" together. In fact, grilling and barbecuing may be two of the oldest forms of healthy cooking out there. How do you think cavemen kept trim?
You don't need a lot of fat to experience a ton of flavor. Use replacements, like wood smoke or spices, to get the full taste of what barbecue can offer.
See Steven's healthy barbecue tips: