I just checked my fingerprints tonight and after 2 years I can see a significant improvement in the elimination of the white lines.  I admit I have not completely eliminated wheat from my eating plan (90% compliant) but what I've eliminated has made a huge difference.    Some miracles take more time than others.

newtypeA,
you said "my head tends to be in the clouds more often than not. Can cow's milk trigger this?"  I believe food sensitivies causes brain fog, not sure if this would relate to your head in the clouds.  I discovered getting off dairy/gluten seemed to help me think clearer.
Lin

I have white lines all over my fingers too!! I guess I really have to be Gluten-free if I want my gut to be healed

More information on SWAMI diets can be found at:
http://www.4yourtype.com/swamixp_video.asp
http://www.dadamo.com/media/swami.htm
http://www.dadamo.com/clinic/swamigenotype.htm
http://www.dadamo.com/media/gtd.htm
find out how grains rate for you individually, given your personal variables.

I have white lines too but I have leaky gut syndrome. In the book it says:

"If you are thrifty like the Warrior or Gatherer, you'll want to increase your use of low-glycemic carbohydrates.  If you've discovered that you have fingerprint white lines and follow these carbohydrate recommendations, the lining of your intestines will improve within a few months."

But I guess that is assuming you are a secretor Warrior or Gatherer.

I have white lines on all my fingers, but I finally can start to see my fingerprints on one finger.