Stopping alcohol is a really good step toward getting your brain in the state it needs to be in to heal. There are a lot of other natural things you can do to strengthen your brain as well. Take a look at Mark's post on vitamin supplements, for instance. Your brain needs good nutrition.
Have you had your vision evaluated? Many of us experience difficulty with our eyes working together after a concussion. You can find practitioners who will evaluate this at
http://www.braininjuries.org or
http://www.nora.cc
You may also want to consult a physiatrist. They are specialists in rehabilitation and can often connect you with physical, vestibular, occupational, and cognitive therapies that can help get you back on track. You can find some physiatrists listed here:
http://www.aapmr.org/patients/findph...s/default.aspx
I will make a separate post with other natural things you can do to strengthen your brain.