My name is Jeff and I quit a 30 year smoking habit almost 4 years ago at the age of 44. On March 2, 2010 I will be running across Arizona (380 miles)(25 miles a day) to raise money for a new Health and Wellness program for the mentally ill here in Tucson. Since I quit smoking I have ran a few ultra marathons and ran across the Grand Canyon and back this past June. I think most people who quit have a great chance on having healthy normal lungs again I have never felt better, good luck to all who have quit and those of you who are trying....