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Cannabis Use Disorder Is ‘Common’ Among Marijuana Users, Study Finds

Lighting Up Later in Life

Vaping Lung Illnesses: Tracking the Outbreak

Dank Vapes, TKO and Other THC Vaping Brands Linked to Illnesses, C.D.C. Says

Vaping-Related Illnesses Climb to 805, C.D.C. Says

Don’t Use Bootleg or Street Vaping Products, C.D.C. Warns

Surgeon General Warns Pregnant Women and Teenagers Not to Smoke or Vape Marijuana

Cases of Vaping-Related Illnesses Rise to 153 in 16 States

Dozens of Young People Hospitalized for Breathing and Lung Problems After Vaping

Cannabis Companies Push F.D.A. to Ease Rules on CBD Products

Does Cannabis Use Cause Schizophrenia?

Older Americans Are Flocking to Medical Marijuana

Breast-Feeding Mothers Should Avoid Marijuana, Pediatricians Say

F.D.A. Panel Recommends Approval of Cannabis-Based Drug for Epilepsy

F.D.A. Warns Companies Against Claims That Marijuana Cures Diseases

A Balm When You’re Expecting: Sometimes Pot Does the Trick