She is a specialist in the opioid epidemic in the United States and the author of Drug Dealer, MD, How Doctors Were Duped, Patients Got Hooked, and Why It’s So Hard to Stop.

[1] Her book, Dopamine Nation: Finding Balance in the Age of Indulgence, was released in August 2021 and became a New York Times bestseller.

She interned at the Alameda County Highland Hospital, specializing in adult psychiatry and addiction.

She has published more than a hundred professional papers, authored many commentaries and book chapters, traveled around the United States giving lectures, and delivered expert testimony to legislators.

[14] Lembke's children also appeared in the film, and family members commented that they believe most people significantly underestimate their screen time.