Addiction

New data shows spike in smokeless tobacco sales

The number of smokeless tobacco products sold in Massachusetts is soaring, as are the levels of nicotine packed into many of them, according to a new analysis from UMass Medical School and the Massachusetts Department of ...

Health

The rise of e-cigarettes

The use of electronic cigarettes has grown rapidly across the United States, prompting questions about their safety and whether they serve as a gateway to conventional cigarettes or a means of kicking the habit—or at least ...

Psychology & Psychiatry

Is it possible to have Internet addiction?

Is there really such a disorder as "Internet addiction"? In my estimation, the short, honest answer is, "We don't know enough to say for sure." Part of the problem is the ambiguity in—and disagreement over—the terms "addicted" ...

Addiction

Genetics of addiction: Twin studies

Twin studies offer a critical method to studying questions of nature and nurture in addiction research. Identical twins arise from the same fertilized egg, so they share 100 percent of their genes. If a trait is entirely ...

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