Thousands of genetic variants may influence smoking and alcohol use

In a study of nearly 3.4 million people, almost 4000 genetic variants were linked to how much alcohol a person drinks a week, the age some start smoking and whether they quit the habit

Thousands of genetic variants may influence smoking and alcohol use
In a study of nearly 3.4 million people, almost 4000 genetic variants were linked to how much alcohol a person drinks a week, the age some start smoking and whether they quit the habit