Could There Be a 'Quit-Smoking' Gene?

Title: Could There Be a ‘Quit-Smoking’ Gene?
Category: Health News
Created: 12/3/2015 12:00:00 AM
Last Editorial Review: 12/3/2015 12:00:00 AM

from MedicineNet Daily News http://bit.ly/1jCsT2L via

from Tumblr http://bit.ly/1XEr4Fi