This article lists some benefits, beyond simply flavor, from using tomato in your diet.
http://www.offthegridnews.com/alternative-health/8-health-benefits-of-tomatoes-you-probably-didnt-know/I will add the relative ease of growing tomatoes. They can be grown even in a window or patio bed. Sure, you will not be able to grow as many as you want, but some is better than none.
For those with limited growing space, I would recommend "cherry" tomatoes, because they are prolific and relatively small size plants.
Growing indoors means that YOU must play the role of "bee" and pollinate the blossoms using a small, soft bristle brush. It is not difficult to do. It is also a good way to relax...