Teen develops 'wet lung' after vaping for just 3 weeks

Story highlights

  • An 18-year-old experienced difficulty breathing and chest pains after using an e-cigarette
  • Her doctors diagnosed hypersensitivity pneumonitis, or "wet lung"

(CNN)An 18-year-old woman working as a hostess in a rural Pennsylvania restaurant decided to try e-cigarettes, perhaps another of the innumerable bistro workers hoping to calm frayed nerves with a smoke -- or in this case, a vape.

This hostess, though, paid an unusual price for her e-cig use, according to a case study published Thursday in the medical journal Pediatrics. As usual for a patient report, the authors did not disclose the young woman's name to protect her privacy.
    E-cigarettes heat liquid and turn it into vapor, which a user inhales and then exhales in a large puffy cloud. The liquid is known as e-juice, and it contains flavorings, propylene glycol, glycerin and often nicotine -- though many users are unaware of this final addictive ingredient.
      The hostess had been vaping for only about three weeks la