Sugars & simple carbs
from grains esp. cause weight gain
. It's also wise to avoid fried foods. I like Dr. Furhman's diet: http://tinyurl.com/ktampgg
Dr. Weil has useful info: http://tinyurl.com/m8avwzh See his "discuss that" link in his article.
is also important!
Slow & steady is the way to go- be patient & persist.