With the current organic trend, holistic lifestyles are standard nowadays. People living this kind of lifestyle typically must grow herbs along with other plants to have the benefits, and they have to be grown organically. Look at fantastic organic gardening tips here in this post.
https://www.youtube.com/watch?v=HPaODI8f1a4
http://www.dailymotion.com/video/x2o4xd1_untitled