Read the full article at: www.nbcnews.com
A Harvard Medical School study of 16,000 people found that while most of the disease-causing genetic footprints left by smoking fade after five years of someone quitting, some linger for 30 years or more. Heart disease and cancer are both caused by genetic damage. Some of it is inherited, but most of it is caused by day-to-day living and smoking is one of the biggest causes.
We hope you find this article as interesting as we did!